Source-backedFixed AnnualIn-depth guide
International Day of Non-Violence
A/RES/61/271
2027 calendar
October 2027 observances
Observances for October, with source and date details available on each guide.
225listed dates
31days with observances
6+in-depth guides surfaced
Explore the mix
All topics →Topics across October
Curated global anchors
See the collection →Major global guides in October
A reviewed starting point drawn from prominent global observances with strong institutional or organizer sources. Each observance keeps its own documented status and scope.
Source-backedRule Based AnnualIn-depth guide
World Habitat Day
A/RES/40/202 A
Source-backedFixed AnnualIn-depth guide
World Post Day
UPU/1969/Res.C.11
Source-backedFixed AnnualIn-depth guide
International Day of the Girl Child
A/RES/66/170
Source-backedFixed AnnualIn-depth guide
International Day for Disaster Risk Reduction
A/RES/64/200
Source-backedFixed AnnualIn-depth guide
International Day of Rural Women
A/RES/62/136
Source-backedFixed AnnualIn-depth guide
World Food Day
A/RES/35/70
Source-backedFixed AnnualIn-depth guide
International Day for the Eradication of Poverty
A/RES/47/196
Reviewed depth
Curated collections →More in-depth guides in October
Source-backedFixed AnnualIn-depth guide
Day of Defenders of Ukraine
Official website of the President of Ukraine
Source-backedFixed AnnualIn-depth guide
Independence Day
Republic of Cyprus sources distinguish legal statehood on 16 August 1960 from the official October 1 Independence Day, and government history records the unanimous 11 July 1963 Council of M…
Source-backedFixed AnnualIn-depth guide
Independence Day
Tuvalu law defines Independence Day as October 1, 1978; current public-holiday law separately lists the broader Tuvalu Day holiday on October 1 and 2.
Source-backedFixed AnnualIn-depth guide
International Coffee Day
A/RES/80/248
Source-backedFixed AnnualIn-depth guide
International Day of Older Persons
A/RES/45/106
Source-backedFixed AnnualIn-depth guide
International Music Day
International Music Council (IMC)
Calendar density
Busiest dates in October 2027
FriOctober 1Date page →
Source-backedFixed AnnualIn-depth guide
Day of Defenders of Ukraine
Official website of the President of Ukraine
Source-backedFixed AnnualIn-depth guide
Independence Day
Republic of Cyprus sources distinguish legal statehood on 16 August 1960 from the official October 1 Independence Day, and government history records the unanimous 11 July 1963 Council of M…
Source-backedFixed AnnualIn-depth guide
Independence Day
Tuvalu law defines Independence Day as October 1, 1978; current public-holiday law separately lists the broader Tuvalu Day holiday on October 1 and 2.
Source-backedFixed AnnualIn-depth guide
International Coffee Day
A/RES/80/248
Source-backedFixed AnnualIn-depth guide
International Day of Older Persons
A/RES/45/106
Source-backedFixed AnnualIn-depth guide
International Music Day
International Music Council (IMC)
Source-backedRule Based AnnualIn-depth guide
Kids Music Day
Keep Music Alive states that Kids Music Day is celebrated each year on the first Friday in October and lists the 11th annual event on 2 October 2026.
Source-backedRule Based AnnualIn-depth guide
MFG Day / Manufacturing Day
NIST documents the launch of Manufacturing Day for 5 October 2012 by FMA, NIST MEP, WMEP and IMEC; the current MFG Day program is an initiative of The Manufacturing Institute and centers ma…
Source-backedFixed AnnualIn-depth guide
National Black Dog Day
Founder Colleen Paige’s current materials list National Black Dog Day on October 1 and describe it as an annual awareness observance.
Source-backedFixed AnnualIn-depth guide
National Day
China’s central government states that October 1 is National Day, that the Central People’s Government adopted the National Day resolution on December 2, 1949, and that current national-hol…
Source-backedFixed AnnualIn-depth guide
National Hair Day
NuMe identifies founder/CEO Sabrina Maren as the creator of National Hair Day, describes an October 1 launch in 2017, and states that the observance returns every October 1; first-party mat…
Source-backedFixed AnnualIn-depth guide
Nigeria Independence Day
Nigerian government sources establish 1 October 1960 as the independence date; the Public Holidays Act and current Ministry of Interior notices support October 1 public-holiday status.
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Sake Day / World Sake Day
Japan Sake and Shochu Makers Association material states that the association designated October 1 as Sake Day in 1978. Its current cultural history explains that October begins the new bre…
Source-backedFixed AnnualIn-depth guide
Teachers’ and Mentors’ Day
Uzbek government sources identify 1 October as Teachers’ and Mentors’ Day, established as a national holiday and day off in the 1990s.
Source-backedRule Based AnnualIn-depth guide
World Smile Day
The Harvey Ball World Smile Foundation states that Harvey Ball created World Smile Day in 1999, that it is held on the first Friday in October, and that the Foundation now sponsors the obse…
Source-backedFixed AnnualIn-depth guide
World Vegetarian Day
NAVS states that World Vegetarian Day was established as an annual celebration, with 1 October as the official date; local events may be scheduled on a nearby date.
SatOctober 2Date page →
Source-backedFixed AnnualIn-depth guide
Independence Day
Guinea Presidency sources directly identify October 2 as the national independence anniversary and 2 October 1958 as the proclamation date. This primary evidence corrects the inherited Octo…
Source-backedFixed AnnualIn-depth guide
International Day of Non-Violence
A/RES/61/271
Source-backedFixed AnnualIn-depth guide
National Custodian Day
Public-school systems corroborate October 2, while a 2021 Stanislaus County agenda item says the unofficial holiday’s origins are unknown and reports no earlier online reference than 2016;…
Source-backedFixed AnnualIn-depth guide
National Report Long Term Acute Care Hospital Fraud Day
National Day Archives identifies October 2, a 2017 start and The Hesch Firm as creator; current Hesch Firm material corroborates the campaign subject, while HHS-OIG supplies current officia…
Source-backedRule Based AnnualIn-depth guide
World Card Making Day
World Card Making Day is observed on the first Saturday of October. Historical card-making material credits Paper Crafts magazine with founding the event in 2006 and identifies 7 October 20…
Source-backedFixed AnnualIn-depth guide
World Day for Farmed Animals
FARM’s organizational history says World Farm Animals Day began in 1983 and is now called World Day for Farmed Animals; FARM reporting identifies the annual observance date as 2 October.
SunOctober 3Date page →
Source-backedFixed AnnualIn-depth guide
Día del Soldado Hondureño / Francisco Morazán birth anniversary
Honduras’s Secretariat of National Defense repeatedly identifies October 3 as Día del Soldado Hondureño on Francisco Morazán’s birth anniversary, and its historical record attributes the de…
Source-backedFixed AnnualIn-depth guide
Iraqi National Day
Iraq’s Ministry of Planning states that Iraqi National Day falls on 3 October every year and connects it to Iraq’s 1932 League of Nations admission and full sovereignty.
Source-backedFixed AnnualIn-depth guide
Mean Girls Day
October 3 is a grassroots Mean Girls fan observance built around the film scene in which Cady gives Aaron the date. Paramount has repeatedly recognized and activated the fan date, including…
Source-backedRule Based AnnualIn-depth guide
World Communion Sunday
PC(USA) traces World Communion Sunday to Shadyside Presbyterian Church in Pittsburgh in 1933 and defines the first-Sunday-in-October observance; United Methodist material also documents the…
MonOctober 4Date page →
Source-backedRule Based AnnualIn-depth guide
Child Health Day
36 U.S.C. §105 requests an annual presidential proclamation designating the first Monday in October as Child Health Day. The statutory history traces the federal observance to 1928; Public…
Source-backedFixed AnnualIn-depth guide
Independence Day
The Lesotho Independence Act fixes 4 October 1966 as the statehood date; Lesotho government sources independently confirm October 4 as a standing national Independence Day event and current…
Source-backedFixed AnnualIn-depth guide
National Golf Lover’s Day
National Day Archives and National Day Calendar place National Golf Lover’s Day on October 4; National Day Calendar links the date to the first U.S. Open while leaving the observance origin…
Source-backedFixed AnnualIn-depth guide
National Vodka Day
GREY GOOSE first-party material identifies National Vodka Day as October 4 and separately repeats that date in its cocktail FAQ.
Source-backedFixed AnnualIn-depth guide
Saint Francis of Assisi, Religious
USCCB materials identify October 4 as the Memorial of Saint Francis of Assisi, Religious; the USCCB 2026 calendar lists October 4 as the Twenty-Seventh Sunday in Ordinary Time, preserving t…
Source-backedFixed AnnualIn-depth guide
World Animal Day
World Animal Day first-party material fixes the observance on October 4, attributes the idea to Heinrich Zimmermann, documents the first celebration on 24 March 1925 and the later move to O…
Source-backedRule Based AnnualIn-depth guide
World Architecture Day
The International Union of Architects states that it created World Architecture Day in 1985 and celebrates it each year on the first Monday of October alongside UN World Habitat Day. UIA’s…
Source-backedRule Based AnnualIn-depth guide
World Habitat Day
A/RES/40/202 A
TueOctober 5Date page →
Source-backedFixed AnnualIn-depth guide
Constitution Day
Vanuatu’s Prime Minister’s Office lists Constitution Day on October 5 as a national public holiday; Parliament provides the official 1979–1980 constitutional history while leaving the Octob…
Source-backedRule Based AnnualIn-depth guide
Customer Experience Day / CX Day
CXPA states that it established and continues to lead Customer Experience Day on the first Tuesday of October
Source-backedFixed AnnualIn-depth guide
Implantação da República
The Government of Portugal scheduled the official 115th anniversary commemoration of the Implantação da República for 5 October 2025; the government holiday register lists 5 October under t…
Source-backedFixed AnnualIn-depth guide
National Caribbean Civility Day
National Day Archives lists October 5 and attributes the 2020 founding to the World Civility Presidential Club; current observance references corroborate the date, founder attribution and a…
Source-backedFixed AnnualIn-depth guide
National Dolphin Day (India)
India’s Press Information Bureau reports that the Standing Committee of the National Board for Wild Life recommended 5 October be celebrated every year as National Dolphin Day to raise cons…
Source-backedRule Based AnnualIn-depth guide
National Fruit at Work Day
The official National Fruit at Work Day site states the observance is celebrated on the first Tuesday of October and is presented by The FruitGuys.
Source-backedFixed AnnualIn-depth guide
National Military Podcast Day
National Day Archives records October 5 of each calendar year and identifies Broken Jarhead, LLC as the 2021 creator; a founder-supplied account likewise states that the paperwork establish…
Source-backedFixed AnnualIn-depth guide
National Rhode Island Day
National Day Calendar lists private National Rhode Island Day on October 5 within its National State Days series. It remains separate from Rhode Island’s May 29, 1790 ratification/statehood…
Source-backedFixed AnnualIn-depth guide
World Meningitis Day
World Health Organization — Defeating Meningitis by 2030 framework and awareness platform
Source-backedFixed AnnualIn-depth guide
World Teachers' Day
UNESCO 27 C/INF.7
WedOctober 6Date page →
Source-backedFixed AnnualIn-depth guide
German-American Day
Public Law 100-104 documents the October 6, 1987 federal designation and 1983 tricentennial precedent; a 2025 White House message confirms continuing commemorative recognition.
Source-backedFixed AnnualIn-depth guide
International Geodiversity Day
Proclaimed by UNESCO General Conference in 2021
Source-backedRule Based AnnualIn-depth guide
National Coffee with a Cop Day
Coffee with a Cop and the U.S. Department of Justice COPS Office verify the program’s 2011 Hawthorne Police Department origin, the first national day on October 7, 2016, and the later/curre…
Source-backedFixed AnnualIn-depth guide
National Energy Geek Day
A September 2018 RESNET-hosted announcement written from EnergyLogic’s perspective says “we’ve created National Energy Geek Day” and identifies October 6 annually; National Day Archives ind…
Source-backedFixed AnnualIn-depth guide
National Orange Wine Day
Founder Amanda Claire Goodwin states that she founded National Orange Wine Day in 2018 for annual observance on October 6; her first-party archive identifies October 6, 2018 as the first ce…
Source-backedFixed AnnualIn-depth guide
National Plus Size Appreciation Day
National Day Calendar credits Women Rock, Inc. with founding the observance and says the registrar proclaimed annual observance beginning in 2017; the current calendar places it on October…
Source-backedFixed AnnualIn-depth guide
Remembrance Day
Turkmenistan’s government identifies 6 October as Remembrance Day commemorating victims of the 1948 Ashgabat earthquake as well as national heroes who died in war; the public search title i…
ThuOctober 7Date page →
Source-backedRule Based AnnualIn-depth guide
National Poetry Day
Forward Arts Foundation says William Sieghart founded National Poetry Day in 1994, currently runs the UK-wide campaign, and defines the annual observance as the first Thursday of October; t…
Source-backedFixed AnnualIn-depth guide
World Cotton Day
A/RES/75/318
Source-backedFixed AnnualIn-depth guide
World Day for Decent Work
ITUC verifies the 2006 Founding Congress call, the first World Day for Decent Work on October 7, 2008, and continuing annual coordination including 2026; campaign advocacy and international…
FriOctober 8Date page →
Source-backedFixed AnnualIn-depth guide
Air Force Day / Indian Air Force Day
India’s Ministry of Defence, via the Press Information Bureau, documents the Indian Air Force anniversary and Air Force Day on October 8 in official 2025 communications, supporting the fixe…
Source-backedFixed AnnualIn-depth guide
Harbormaster Appreciation Day
The official Harbormaster Appreciation Day site states that US Harbors started the observance in 2019 and that it occurs annually on October 8.
Source-backedFixed AnnualIn-depth guide
National Salmon Day
Chicken of the Sea-created launch material establishes National Salmon Day as an annual October 8 observance beginning in 2015; current Chicken of the Sea material continues to use October…
Source-backedRule Based AnnualIn-depth guide
World Egg Day
World Egg Organisation (formerly the International Egg Commission) says World Egg Day was established in Vienna in 1996, first celebrated that year and is observed on the second Friday in O…
Source-backedFixed AnnualIn-depth guide
World Octopus Day
TONMO states that it initiated World Octopus Day; its preserved 2007 community thread documents the lineage that evolved into Cephalopod Awareness Days and October 8 World Octopus Day.
SatOctober 9Date page →
Source-backedRule Based AnnualIn-depth guide
Bookshop Day
The Booksellers Association sets Bookshop Day on the second Saturday in October. Contemporaneous BA releases identify 8 October 2016 as the first UK and Ireland Bookshop Day; the wider Book…
Source-backedFixed AnnualIn-depth guide
Commemoration of the abolition of slavery — Saint-Barthélemy
French Decree no. 2012-553 added Saint-Barthélemy to the territorial abolition-commemoration schedule with 9 October, and current Labour Code article L3422-2 lists that day as a public holi…
Source-backedFixed AnnualIn-depth guide
Hangul Proclamation Day
Republic of Korea Ministry of Personnel Management; Act on National Holidays
Source-backedRule Based AnnualIn-depth guide
I Love Yarn Day
The Craft Yarn Council current page gives 10 October 2026 and says the celebration is held annually on the second Saturday in October.
Source-backedFixed AnnualIn-depth guide
Independence Day
Uganda State House, Parliament and current public-holiday law verify annual October 9 recurrence, the 1962 independence anchor and current statutory recognition.
Source-backedFixed AnnualIn-depth guide
Independence of Guayaquil
The Municipality of Guayaquil identifies 9 October 1820 as Guayaquil’s independence and marks 9 October with civic commemoration.
Source-backedFixed AnnualIn-depth guide
International Beer and Pizza Day
The observance’s own site states that International Beer and Pizza Day began in 2016, was founded by Nick Saulino, and is celebrated each year on 9 October.
Source-backedFixed AnnualIn-depth guide
Leif Erikson Day
36 U.S.C. §114 provides that the President may issue each year a proclamation designating October 9 as Leif Erikson Day.
Source-backedRule Based AnnualIn-depth guide
National Chess Day
US Chess identifies National Chess Day on the second Saturday in October and traces it to a 1976 Ford-era cultural acknowledgment resulting from Bill Dodgen’s efforts; its Ford Library rese…
Source-backedRule Based AnnualIn-depth guide
National Motorcycle Ride Day
National Day Calendar records that Chad Geer of Dunlop Tire N.A. founded the observance in 2015 and that it occurs annually on the second Saturday in October; a Fulton County government cal…
Source-backedRule Based AnnualIn-depth guide
World Hospice and Palliative Care Day
Current professional palliative-care material verifies the WHPCA-coordinated second-Saturday-in-October observance and 10 October 2026 date; published palliative-care history identifies the…
Source-backedFixed AnnualIn-depth guide
World Post Day
UPU/1969/Res.C.11
SunOctober 10Date page →
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Anniversary of the Beginning of the Wars of Independence
Cuba’s official tourism portal lists 10 October as the Anniversary of the Beginning of the Wars of Independence and identifies it as a national commemoration date.
Source-backedFixed AnnualIn-depth guide
Curaçao Day
Curaçao’s official tourism organisation promotes 10 October celebrations explicitly as Curaçao Day, while a U.S. State Department message independently recognizes the observance on that dat…
Source-backedFixed AnnualIn-depth guide
International Stage Management Day
The Association of British Theatre Technicians, describing its Stage Management Association partner, states that International Stage Management Day is on 10 October each year.
Source-backedFixed AnnualIn-depth guide
National Day of the Republic of China (Taiwan)
Current Taiwan government holiday information lists October 10 as National Day, and Presidential Office historical material connects the date to the Wuchang Uprising of October 10, 1911.
Source-backedFixed AnnualIn-depth guide
National PrEP Day
MISTR and SISTR announced the first National PrEP Day for October 10, 2025. Independent health-sector reporting corroborated the launch, and a September 2026 Illinois legislative release de…
Source-backedRule Based AnnualIn-depth guide
Pastor Appreciation Day
Focus on the Family currently marks the second Sunday in October as Clergy Appreciation Day within October’s clergy/pastor appreciation tradition; exact creator claims for the named day rem…
Source-backedRule Based AnnualIn-depth guide
White Sunday
Samoa Tourism explains White Sunday as a major Samoan children’s and church observance; official mission calendars document the adjacent 2026 holiday observance.
Source-backedFixed AnnualIn-depth guide
World Animal Road Accident Awareness Day
CatsMatter first-party pages establish World Animal Road Accident Awareness Day on October 10, identify the campaign as creator/current steward, document a 2020 launch cycle and continuing…
Source-backedFixed AnnualIn-depth guide
World Day Against the Death Penalty
World Coalition first-party material establishes an October 10 recurring day of action launched in 2003 and current annual coordination, including the 24th campaign in 2026; legal status in…
Source-backedFixed AnnualIn-depth guide
World Homeless Day
The official World Homeless Day site identifies October 10 as the annual date, October 10, 2010 as the inaugural observance and a collaborative online-discussion origin.
Source-backedFixed AnnualIn-depth guide
World Mental Health Day
WHO observance
Source-backedFixed AnnualIn-depth guide
World Plant-Based Burger Day
VeganBurg launched World Plant-Based Burger Day on October 10, 2020 as part of its tenth-anniversary campaign.
MonOctober 11Date page →
Source-backedRule Based AnnualIn-depth guide
Columbus Day
5 U.S.C. §6103
Source-backedFixed AnnualIn-depth guide
International Day of the Girl Child
A/RES/66/170
Source-backedFixed AnnualIn-depth guide
National Coming Out Day
Human Rights Campaign material verifies October 11, 1988 as the first National Coming Out Day, Jean O’Leary and Dr. Robert Eichberg as organizers/co-founders, the first-anniversary-of-the-1…
Source-backedRule Based AnnualIn-depth guide
National Heroes Day
The Bahamas National Heroes Act designates the second Monday in October as National Heroes Day and a public holiday.
Source-backedRule Based AnnualIn-depth guide
Sports Day
Japan’s Act on National Holidays names Sports Day and sets it on the second Monday in October.
TueOctober 12Date page →
Source-backedFixed AnnualIn-depth guide
Day of Indigenous Resistance
Venezuela’s Ministry of Culture states that 12 October has been commemorated as Día de la Resistencia Indígena since 2002 and continues to publish current anniversary material on that date.…
Source-backedFixed AnnualIn-depth guide
Día de la Diversidad Cultural
Uruguay’s Legislative Library identifies October 12 as Día de la Diversidad Cultural and explains the 2014 move away from the older “Día de la Raza” wording.
Source-backedFixed AnnualIn-depth guide
Día de la Nación Pluricultural
Mexico’s 2020 federal decree declares 12 October of every year Día de la Nación Pluricultural
Source-backedFixed AnnualIn-depth guide
Día de la Raza / October 12 commemoration in Honduras
Honduran government and historical sources identify October 12 as Día de la Raza, while Decrees 75-2014 and 78-2015 move the practical October civic-holiday period under Semana Morazánica;…
Source-backedFixed AnnualIn-depth guide
Día de la Resistencia Indígena
Venezuela Ministry of Culture verifies October 12 recurrence and identifies Presidential Decree No. 2028 of October 11, 2002 as the renaming/redefinition from Día de la Raza to Día de la Re…
Source-backedFixed AnnualIn-depth guide
Independence Day
Equatorial Guinea government material continues to commemorate October 12 as Independence Day, while Spain’s Decree 2467/1968 establishes the October 12, 1968 transfer of independence. The…
Source-backedFixed AnnualIn-depth guide
National Farmers Day
USDA Farm Service Agency communications identify October 12 as National Farmers Day in multiple years; a 2026 Delaware concurrent resolution also describes the observance as annual on Octob…
Source-backedFixed AnnualIn-depth guide
National Pulled Pork Day
Sonny’s BBQ states that National Pulled Pork Day started in 2016 and that it celebrates the observance every October 12.
Source-backedFixed AnnualIn-depth guide
National Savings Day
Capital One states that it founded National Savings Day and celebrates it yearly on October 12; National Day Calendar records annual observance beginning in 2017.
Source-backedFixed AnnualIn-depth guide
National Vermont Day
National Day Calendar lists the private October 12 National Vermont Day. The U.S. Senate records March 4, 1791 statehood. Vermont Commission sources document four state-recognized Abenaki t…
Source-backedFixed AnnualIn-depth guide
Nossa Senhora Aparecida / Our Lady of Aparecida
Brazil Federal Law No. 6,802 of 30 June 1980
Source-backedFixed AnnualIn-depth guide
World Arthritis Day
Arthritis and Rheumatism International / EULAR community
WedOctober 13Date page →
Source-backedFixed AnnualIn-depth guide
Commemoration of the Assassination of Prince Louis Rwagasore
Ministry of Foreign Affairs, Republic of Burundi
Source-backedRule Based AnnualIn-depth guide
Emergency Nurses Day
The Emergency Nurses Association states that it has recognized the second Wednesday in October as Emergency Nurses Day since 1989 and expanded the celebration to Emergency Nurses Week in 20…
Source-backedFixed AnnualIn-depth guide
Herpes Awareness Day
National Today places Herpes Awareness Day on October 13 annually, and AnydayGuide independently lists National Herpes Awareness Day on October 13.
Source-backedFixed AnnualIn-depth guide
International Civility for the Girl Child Day
Louisa Akaiso is identified as the 2020 creator of the October 13 observance; Women Who Win Africa’s current first-party site continues to list International Civility for the Girl Child Day…
Source-backedFixed AnnualIn-depth guide
International Day for Disaster Risk Reduction
A/RES/64/200
Source-backedRule Based AnnualIn-depth guide
International Top Spinning Day
The Spinning Top & Yo-Yo Museum identifies International Top Spinning Day on the second Wednesday in October and lists the 2026 date.
Source-backedRule Based AnnualIn-depth guide
National Pet Obesity Awareness Day
The Association for Pet Obesity Prevention states that its National Pet Obesity Day is recognized each year on the second Wednesday in October and identifies the 2023 observance as National…
Source-backedRule Based AnnualIn-depth guide
National Stop Bullying Day
National Day Calendar and school-safety resources trace the observance to a 2009 student initiative and place Stop Bullying Day on the second Wednesday of October.
Source-backedRule Based AnnualIn-depth guide
National Take Your Parents to Lunch Day
National Day Calendar states that the observance is promoted annually by KIWI Magazine and occurs on the second Wednesday in October.
Source-backedFixed AnnualIn-depth guide
U.S. Navy Birthday
Naval History and Heritage Command identifies 13 October as the date celebrated as the U.S. Navy’s birthday.
Source-backedFixed AnnualIn-depth guide
World Thrombosis Day
International Society on Thrombosis and Haemostasis (ISTH)
ThuOctober 14Date page →
Source-backedFixed AnnualIn-depth guide
Chișinău City Day / Hramul Chișinăului
Official Chișinău municipal material records the first city-holiday celebration in 1995, an initial second-Sunday-in-October rule and a 2000 decision fixing October 14 to coincide with the…
Source-backedFixed AnnualIn-depth guide
Mtskhetoba-Svetitskhovloba
Georgia’s Labour Code and national tourism office identify 14 October as Mtskhetoba-Svetitskhovloba, a Georgian public holiday rooted in local Orthodox tradition.
Source-backedFixed AnnualIn-depth guide
Mwalimu Nyerere Day
Tanzanian government diplomatic mission holiday calendars identify October 14 as the Tanzanian public holiday for Mwalimu Julius Nyerere.
Source-backedFixed AnnualIn-depth guide
October 14 Revolution
Republic of Yemen Law No. 2 of 2000 on official holidays lists the anniversary of the 14 October Revolution as a one-day official holiday. Current Aden-based Ministry of Civil Service notic…
Source-backedRule Based AnnualIn-depth guide
World Sight Day
International Agency for the Prevention of Blindness (IAPB) and the global eye-health community
Source-backedFixed AnnualIn-depth guide
World Standards Day
International Electrotechnical Commission (IEC), International Organization for Standardization (ISO) and International Telecommunication Union (ITU)
FriOctober 15Date page →
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Fête de l’Évacuation
Tunisia’s Presidential Decree No. 2021-223 lists Fête de l’Évacuation on 15 October as a one-day holiday for specified public-sector personnel and supersedes contrary earlier provisions inc…
Source-backedFixed AnnualIn-depth guide
International Day of Rural Women
A/RES/62/136
Source-backedFixed AnnualIn-depth guide
Mother’s Day in Malawi
Malawi’s Public Holidays Act schedule lists Mothers’ Day on 15 October as a public holiday. The consolidated schedule reflects later amendments, so the Act’s 1967 commencement is not treate…
Source-backedFixed AnnualIn-depth guide
National Cheese Curd Day
Culver’s states that it created National Cheese Curd Day in 2015 and celebrates it every October 15.
Source-backedFixed AnnualIn-depth guide
National Expense Report Day
Ramp’s October 15, 2025 first-party launch creates National Expense Report Day; National Day Archives independently identifies Ramp as creator in 2025 and records October 15 annual recurren…
Source-backedFixed AnnualIn-depth guide
National HSA Awareness Day
WEX first-party releases identify October 15, 2019 as the inaugural National Health Savings Account Awareness Day and WEX continued marking HSA Day on October 15 through 2025. IRS materials…
Source-backedFixed AnnualIn-depth guide
National Latino AIDS Awareness Day (NLAAD)
Federal HIV/CDC sources identify October 15 as the annual National Latino AIDS Awareness Day and document the first observance in 2003. CDC states that the Latino Commission on AIDS and His…
Source-backedFixed AnnualIn-depth guide
National Lemon Bar Day
National Day Archives lists National Lemon Bar Day on October 15 and attributes its creation to Michael McCarthy in 2019.
Source-backedFixed AnnualIn-depth guide
Pregnancy and Infant Loss Remembrance Day
Health Canada’s health-promotion calendar lists Pregnancy and Infant Loss Remembrance Day on 15 October, and federal public-health statements recognize the day.
Source-backedFixed AnnualIn-depth guide
White Cane Safety Day
36 U.S.C. §142 authorizes an annual presidential proclamation designating October 15 as White Cane Safety Day.
SatOctober 16Date page →
Source-backedFixed AnnualIn-depth guide
Global Cat Day
Alley Cat Allies identifies 16 October as Global Cat Day and describes it as its campaign centered on cats and communities.
Source-backedRule Based AnnualIn-depth guide
International Raw Milk Cheese Appreciation Day
Oldways says its Cheese Coalition created the annual International Raw Milk Cheese Appreciation Day in 2015 and celebrates it on the third Saturday of October.
Source-backedRule Based AnnualIn-depth guide
International Sloth Day
AIUNAU states that it created International Sloth Day as a commitment from the first international meeting on sloth wellbeing and conservation in Medellín in November 2010 and set it for th…
Source-backedFixed AnnualIn-depth guide
National Boss’s Day
SHRM and Hallmark trace National Boss Day to Patricia Bays Haroski’s 1958 registration with the U.S. Chamber of Commerce; October 16 was selected for her father’s birthday, with later Illin…
Source-backedFixed AnnualIn-depth guide
National Feral Cat Day®
Alley Cat Allies states that it created National Feral Cat Day® in 2001 for October 16. Its primary archives document the 2017 evolution to Global Cat Day® and current material treats Natio…
Source-backedFixed AnnualIn-depth guide
Senate of the Philippines founding anniversary
Senate of the Philippines primary-history and centennial records tie October 16 to the inauguration / first convening of the Philippine Legislature with the Senate on 16 October 1916. The J…
Source-backedRule Based AnnualIn-depth guide
Sweetest Day
Hallmark states that Sweetest Day is always observed on the third Saturday in October and gives October 17 for 2026.
Source-backedFixed AnnualIn-depth guide
World Anaesthesia Day
WFSA identifies World Anaesthesia Day as an annual 16 October observance commemorating the 1846 public ether demonstration and continues to coordinate annual global programming.
Source-backedFixed AnnualIn-depth guide
World Food Day
A/RES/35/70
Source-backedFixed AnnualIn-depth guide
World Spine Day
World Spine Day campaign / World Federation of Chiropractic network
SunOctober 17Date page →
Source-backedFixed AnnualIn-depth guide
Día de la Dignidad Nacional (Bolivia)
Bolivia’s Ministry of Foreign Affairs documents 17 October as Día de la Dignidad Nacional and records its establishment by law in 2013.
Source-backedFixed AnnualIn-depth guide
International Day for the Eradication of Poverty
A/RES/47/196
Source-backedFixed AnnualIn-depth guide
International Day of the Intangible Cultural Heritage
Proclaimed at UNESCO’s 42nd General Conference (2023)
Source-backedFixed AnnualIn-depth guide
National Black Poetry Day
New York legislative and SUNY Plattsburgh records trace Black Poetry Day to Stanley Ransom in 1970, observed on October 17 for Jupiter Hammon’s birthday; later state resolutions recognize t…
Source-backedFixed AnnualIn-depth guide
National Catholic Men’s Conference Day
The initiative’s first-party site identifies October 17 as National Catholic Men’s Conference Day and describes its U.S. Catholic men’s conference-network purpose. It is not treated as a Va…
MonOctober 18Date page →
Source-backedRule Based AnnualIn-depth guide
Heroes and Foreparents Day
Virgin Islands government material says the observance began in 2021 and is observed every third Monday of October; the 2026 Cabinet calendar names it Heroes and Foreparents Day on 19 Octob…
Source-backedFixed AnnualIn-depth guide
Military Women’s Memorial anniversary
The Military Women’s Memorial says the completed memorial was dedicated and opened on October 18, 1997, and first-party anniversary programming continues to mark October 18.
Source-backedRule Based AnnualIn-depth guide
National Clean Out Your Virtual Desktop Day
Timeanddate and Checkiday independently attribute the observance to the Personal Computer Museum in Brantford in 2010; Checkiday preserves a Wayback source to the museum’s original pcmuseum…
Source-backedRule Based AnnualIn-depth guide
National Heroes’ Day
Jamaica’s Holidays (Public General) Act schedule names the third Monday in October as National Heroes’ Day; Jamaica Information Service states that the country first celebrated National Her…
Source-backedFixed AnnualIn-depth guide
National Speak Up for Victims of Sexual Abuse Day
National Day Archives records October 18 annual recurrence and an October 2021 creation on behalf of Jack Nunnery; a New Jersey government DEIB calendar independently lists the date. RAINN…
TueOctober 19Date page →
Source-backedFixed AnnualIn-depth guide
LGBTQ+ Center Awareness Day
CenterLink currently observes Center Awareness Day every October 19; its 2011 annual report documents a third annual edition, while a 2012 participating-center archive credits CenterLink an…
Source-backedFixed AnnualIn-depth guide
National Kentucky Day
National Day Calendar lists its private National Kentucky Day on October 19. Federal history separately records June 1, 1792 statehood, while Kentucky’s Native American Heritage Commission…
Source-backedRule Based AnnualIn-depth guide
National Share the Warmth Day
One Warm Coat states that National Share the Warmth Day is celebrated annually on the third Tuesday of October; its 2026 campaign page resolves that rule to October 20, 2026.
Source-backedFixed AnnualIn-depth guide
World Pediatric Bone and Joint Day
USBJI institutional history says its Pediatric Specialty Group launched annual World Pediatric Bone and Joint Day in October 2012 for October 19 each year, and current USBJI program pages c…
WedOctober 20Date page →
Source-backedRule Based AnnualIn-depth guide
Breast Reconstruction Awareness Day USA (BRA Day)
ASPS documents the annual Breast Reconstruction Awareness Day USA (BRA Day) campaign and its educational focus on reconstruction choices after mastectomy or lumpectomy.
Source-backedFixed AnnualIn-depth guide
Commemoration of the Revolution of 20 October 1944
Guatemala government materials commemorate 20 October as the anniversary of the October Revolution of 1944 and organize official cultural events around the date.
Source-backedRule Based AnnualIn-depth guide
Hagfish Day
WhaleTimes states that it created Hagfish Day in 2009 and its own materials specify the third Wednesday of every October.
Source-backedFixed AnnualIn-depth guide
International Chefs Day
Worldchefs states that chefs around the world celebrate International Chefs Day each year on 20 October.
Source-backedFixed AnnualIn-depth guide
Mashujaa Day (Kenya)
Office of the President of the Republic of Kenya
Source-backedFixed AnnualIn-depth guide
National Day on Writing
NCTE established the National Day on Writing in 2009 for October 20. Senate Resolution 310 supported the October 20, 2009 designation, which is recognition rather than creation of a federal…
Source-backedRule Based AnnualIn-depth guide
National Support Your Local Chamber of Commerce Day
The U.S. Chamber of Commerce states that National Support Your Local Chamber of Commerce Day is celebrated each year on the third Wednesday in October.
Source-backedFixed AnnualIn-depth guide
National Youth Confidence Day
Confident Girl Mentoring Program identifies Tiffany R. Lewis as founder and October 20 as the date; National Day Calendar’s creator record adds a 2018 founding year and annual registrar pro…
Source-backedFixed AnnualIn-depth guide
Philippine-British Friendship Day
Proclamation No. 381 (2000) established Philippine-British Friendship Day on December 7; Proclamation No. 1592 (2008) moved the recurring date to October 20. Current NCCA material lists Oct…
Source-backedFixed AnnualIn-depth guide
Vietnamese Women’s Day / Vietnam Women’s Union founding anniversary
The Vietnam Women’s Union marks October 20 as Vietnamese Women’s Day and the anniversary of the organization’s October 20, 1930 founding lineage.
ThuOctober 21Date page →
Source-backedFixed AnnualIn-depth guide
Apple Day
Common Ground states that Apple Day was launched on 21 October 1990 and describes year-after-year local celebrations; its own canonical name is “Apple Day.”
Source-backedFixed AnnualIn-depth guide
Commemoration of the Assassination of President Melchior Ndadaye
Ministry of Foreign Affairs, Republic of Burundi
Source-backedFixed AnnualIn-depth guide
Día de las Fuerzas Armadas de Honduras
Official Honduran defense sources repeatedly identify October 21 as Armed Forces Day. Current legal material also preserves October 21 among the October civic holidays while later legislati…
Source-backedRule Based AnnualIn-depth guide
Get Smart About Credit Day
The American Bankers Association states that Get Smart About Credit Day is observed on the third Thursday in October; its current materials identify 15 October 2026.
Source-backedFixed AnnualIn-depth guide
Global Iodine Deficiency Disorders Prevention Day
Government of India health material in 2009 and 2024 verifies annual October 21 observance and the World Iodine Deficiency Day alias; origin and first-observance fields remain unresolved.
Source-backedFixed AnnualIn-depth guide
Honduran Armed Forces Day
Honduran Armed Forces media identifies October 21 as Día de las Fuerzas Armadas and U.S. diplomatic holiday material also lists Honduran Armed Forces Day on October 21.
Source-backedRule Based AnnualIn-depth guide
International ShakeOut Day
Great ShakeOut materials identify International ShakeOut Day as the third Thursday of October and promote earthquake drill participation
Source-backedFixed AnnualIn-depth guide
National Archives Day (Philippines)
The National Archives of the Philippines states that Proclamation No. 660, s. 1995 declared October 21 of every year National Archives Day.
Source-backedFixed AnnualIn-depth guide
Police Commemoration Day
India’s Press Information Bureau documents Police Commemoration Day on 21 October and its connection to the 1959 Hot Springs police sacrifice.
Source-backedFixed AnnualIn-depth guide
Reptile Awareness Day
World Animal Protection states that Reptile Awareness Day is held every year on October 21 and uses World Reptile Day on the same campaign page; Arignar Anna Zoological Park also documents…
FriOctober 22Date page →
Source-backedRule Based AnnualIn-depth guide
Champagne Day
The official Champagne site lists Champagne Day 2026 for October 23 and states that it takes place on the fourth Friday in October.
Source-backedFixed AnnualIn-depth guide
National Color Day
Crayola first-party materials identify October 22 as National Color Day.
SatOctober 23Date page →
Source-backedFixed AnnualIn-depth guide
23 October national holiday
Hungary’s Fundamental Law names 23 October as a national holiday commemorating the 1956 Revolution and War of Independence. Government historical material also notes the proclamation of the…
Source-backedFixed AnnualIn-depth guide
International Day of the Snow Leopard
A/RES/79/143
Source-backedFixed AnnualIn-depth guide
King Chulalongkorn Memorial Day (Piyamararaj Day)
Thailand Ministry of Foreign Affairs
Source-backedRule Based AnnualIn-depth guide
Make A Difference Day
Points of Light documents Make A Difference Day as beginning in 1992 and taking place annually on the fourth Saturday in October.
Source-backedFixed AnnualIn-depth guide
Mole Day
The National Mole Day Foundation observes Mole Day on October 23 from 6:02 a.m. to 6:02 p.m., using the 6.02 × 10^23 notation for the Avogadro constant as the date-and-time mnemonic; its hi…
Source-backedFixed AnnualIn-depth guide
National Croc Day
Crocs corporate history traces Croc Day to fan activity on October 23, 2017 and repeatedly identifies October 23 as the annual Croc Day date, including in 2025. The inherited October 25 val…
Source-backedRule Based AnnualIn-depth guide
National One United Race Day
National Day Archives identifies One United Race as the 2019 founder and gives the fourth Saturday in October; current calendars preserve the same recurrence.
SunOctober 24Date page →
Source-backedFixed AnnualIn-depth guide
Food Day
CSPI’s 2011 annual report documents the relaunch of national Food Day and its October 24 date, modeled as a public education and food-system campaign.
Source-backedFixed AnnualIn-depth guide
Independence Day
Zambia State House, Parliament and government sources verify October 24, the 1964 independence anchor and continuing national-day/public-holiday recurrence.
Source-backedRule Based AnnualIn-depth guide
National Tight End Day
NFL material documents the origin and league recognition of National Tight End Day; NFL team material describes it as observed on the fourth Sunday in October.
Source-backedFixed AnnualIn-depth guide
United Nations Day
A/RES/168 (II)
Source-backedFixed AnnualIn-depth guide
World Development Information Day
A/RES/3038 (XXVII)
MonOctober 25Date page →
Source-backedFixed AnnualIn-depth guide
International Artist Day
The International Artist Day site identifies October 25 as the observance date and says founder Chris MacClure launched the initiative in 2004.
Source-backedRule Based AnnualIn-depth guide
Labour Day
Employment New Zealand / Holidays Act public-holiday system
Source-backedFixed AnnualIn-depth guide
National Fine Art Appreciation Day
RoGallery’s October 16, 2018 creator account says it created the first annual National Fine Art Appreciation Day for October 25, chosen because it is Pablo Picasso’s birthday; later current…
Source-backedRule Based AnnualIn-depth guide
October Public Holiday (Ireland)
Irish Statute Book records the 1977 public-holiday statutory instrument and the Organisation of Working Time Act 1997 continues the last Monday in October in the current schedule; WRC guida…
Source-backedFixed AnnualIn-depth guide
Philippine Military Academy Foundation Day / founding anniversary
The Philippine Military Academy traces its institutional roots to the Academia Militar established on 25 October 1898; Philippine government communications mark the academy’s founding anniv…
Source-backedFixed AnnualIn-depth guide
World Pasta Day
International Pasta Organisation material verifies October 25, the first World Pasta Day in Naples in 1998 and annual continuation; exact establishing body/date rationale remain unresolved.
Source-backedFixed AnnualIn-depth guide
World Spina Bifida and Hydrocephalus Day
International Federation for Spina Bifida and Hydrocephalus (IF)
TueOctober 26Date page →
Source-backedFixed AnnualIn-depth guide
National Day
Austrian Parliament material establishes October 26 as National Day, ties the date to the 1955 neutrality law and identifies Federal Act No. 298 of October 25, 1965 as the law establishing…
Source-backedFixed AnnualIn-depth guide
National Microneedling Day
Aesthetics Biomedical first-party/trade evidence places the originating National Microneedling Day / National Vivace Microneedling Day campaign on October 26 beginning in 2020 and calls 202…
Source-backedFixed AnnualIn-depth guide
National Tennessee Day
National Day Calendar lists the private October 26 National Tennessee Day. The U.S. Senate records June 1, 1796 statehood. Tennessee tourism later recognized the private day in 2022, but th…
Source-backedFixed AnnualIn-depth guide
Texas Chicken Fried Steak Day
Texas House Resolution 1419 recognized October 26, 2011 as Texas Chicken Fried Steak Day and described it as the second annual observance; the organizer continues to promote October 26.
WedOctober 27Date page →
Source-backedFixed AnnualIn-depth guide
Cranky Co-Workers Day
The first-party Wellcat Holidays calendar lists Cranky Co-Workers Day on October 27 and identifies the collection as created by Thomas and Ruth Roy.
Source-backedFixed AnnualIn-depth guide
National Black Cat Day
Cats Protection states that National Black Cat Day is held each year on October 27, that it launched the first campaign on 27 October 2011 as Black Cat Awareness Day, and that it renamed th…
Source-backedFixed AnnualIn-depth guide
National Mentoring Day®
The official organizer and founder-authored 2015 material establish a 2014 founding, first public edition on October 27, 2015 and continuing October 27 recurrence.
Source-backedFixed AnnualIn-depth guide
World Day for Audiovisual Heritage
UNESCO 33 C/Resolution 5
Source-backedFixed AnnualIn-depth guide
World Occupational Therapy Day
WFOT first-party material verifies annual October 27 observance, first launch on 27 October 2010 and continuing international professional stewardship.
ThuOctober 28Date page →
Source-backedFixed AnnualIn-depth guide
Independent Czechoslovak State Day
Czech Act No. 245/2000 currently lists 28 October, Den vzniku samostatného československého státu, as a state holiday; Czech MFA material anchors the date to the establishment of Czechoslov…
Source-backedFixed AnnualIn-depth guide
International Animation Day
ASIFA — International Animated Film Association
Source-backedFixed AnnualIn-depth guide
National First Responders Day
The U.S. Fire Administration recognizes 28 October as National First Responders Day; presidential proclamation records also use that date for national recognition.
Source-backedFixed AnnualIn-depth guide
World Judo Day
International Judo Federation primary sources verify the first World Judo Day on 28 October 2011, annual IJF stewardship and the October 28 Jigoro Kano birthday rationale.
Source-backedFixed AnnualIn-depth guide
“OHI” Day / 28 October anniversary
Hellenic Ministry of Foreign Affairs
FriOctober 29Date page →
Source-backedFixed AnnualIn-depth guide
ARPANET first-message anniversary
DARPA and UCLA document the first host-to-host ARPANET message on October 29, 1969. “National Internet Day” is retained only as a search/legacy alias for this historical anniversary, not as…
Source-backedFixed AnnualIn-depth guide
International Day of Care and Support
A/RES/77/317
Source-backedRule Based AnnualIn-depth guide
National Breadstick Day
Calendar and institutional event material use the last Friday in October for National Breadstick Day.
Source-backedFixed AnnualIn-depth guide
National Cat Day
Founder Colleen Paige’s current holiday list places National Cat Day on October 29; U.S. public institutions also recognize the date in programming and resolutions.
Source-backedFixed AnnualIn-depth guide
National Indigenous Peoples Thanksgiving Day
Philippine Proclamation No. 486, s. 2003 declares October 29, 2003 and every year thereafter as National Indigenous Peoples Thanksgiving Day; the National Commission on Indigenous Peoples i…
Source-backedRule Based AnnualIn-depth guide
Nevada Day
Nevada Revised Statutes / State of Nevada holiday guidance
Source-backedFixed AnnualIn-depth guide
Republic Day
Turkish government historical material verifies the 29 October 1923 proclamation; current Law No. 2429 defines October 29 as the National Holiday and the legal period from 13:00 on October…
Source-backedFixed AnnualIn-depth guide
World Coding Day
Designated by UNESCO Member States; first celebrated in 2024
Source-backedRule Based AnnualIn-depth guide
World Lemur Day
Lemur Conservation Network verifies the last-Friday-in-October World Lemur Day rule and 30 October 2026. Its history traces the linked World Lemur Festival to a 2014 Antananarivo event orga…
Source-backedFixed AnnualIn-depth guide
World Psoriasis Day
International Federation of Psoriasis Associations (IFPA)
SatOctober 30Date page →
Source-backedRule Based AnnualIn-depth guide
Hug a Sheep Day
Creator material documents the 2010 launch on 30 October, chosen for Punkin’s birthday, and the later change to the last Saturday in October so celebrations remain on a weekend.
Source-backedFixed AnnualIn-depth guide
National Checklist Day
FAA Safety Briefing states that National Checklist Day rolls around every October 30 and explains the date through the October 30, 1935 Model 299 crash that prompted formal aviation checkli…
Source-backedFixed AnnualIn-depth guide
National Publicist Day™
The official organizer states that Jordanna Stephen created National Publicist Day™ in 2015 and celebrates it annually on October 30; the founder’s PR-history date rationale is retained wit…
Source-backedFixed AnnualIn-depth guide
National Treat Your Pet Day
Dr. Marty Pets announced the inaugural National Treat Your Pet Day for October 30, 2021 as a new annual holiday; registry/current sources retain October 30.
Source-backedFixed AnnualIn-depth guide
Speak Up For Service Day
National Day Calendar’s founder record states that Mandan Lions Club founded Speak Up For Service Day in 2014 and that it is celebrated annually on October 30.
SunOctober 31Date page →
Source-backedFixed AnnualIn-depth guide
Juliette Gordon Low’s Birthday / Founder’s Day
Girl Scouts materials identify 31 October, Juliette Gordon Low’s 1860 birthday, as Founder’s Day.
Source-backedFixed AnnualIn-depth guide
National Unity Day (Rashtriya Ekta Diwas)
Government of India / Ministry of Home Affairs announcements establish annual October 31 observance beginning in 2014 on Sardar Vallabhbhai Patel’s birth anniversary; a 2023 Gazette notific…
Source-backedFixed AnnualIn-depth guide
World Cities Day
A/RES/68/239
Source-backedFixed AnnualIn-depth guide
World Savings Day
WSBI traces World Savings Day to World Thrift Day established at the 1st International Thrift Congress in Milan on 31 October 1924 and says members continue to mark October 31; India docume…