Source-backedFixed AnnualIn-depth guide
Republic Day
Guyana Parliament and Department of Public Information sources identify 23 February 1970 as the republic transition and document the first Mashramani celebration tied to Republic Day; curre…
Observance library
Browse all researched observances
2,411 researched observances. Search for a specific name or known alternate name.
Source-backedFixed AnnualIn-depth guide
Republic Day
Government of India sources distinguish the Constitution’s adoption on 26 November 1949 from its commencement on 26 January 1950, when India became a republic; Ministry of Defence material…
Source-backedFixed AnnualIn-depth guide
Republic Day
Official Malta sources identify 13 December 1974 as the creation of the Republic of Malta and current government holiday guidance lists Republic Day as a National Holiday regulated by Chapt…
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
Republic Day
Tunisia’s official government information records the proclamation of the Republic on 25 July 1957, and the state news agency documented Republic Day on 25 July 2026.
Source-backedFixed AnnualIn-depth guide
Republic Day (Philippines; July 4 historical statutory commemoration)
Republic Act No. 4166 declared July 4 Philippine Republic Day in 1964, and the current DILG Aurora advocacy calendar still lists July 4 as Republic Day while later holiday frameworks mean i…
Source-backedFixed AnnualIn-depth guide
Research Administrator Day / International Research Administrators Day
MIT states that Research Administrator Day on September 25 was first celebrated in 2015 by NCURA; SRA International currently uses Research Administrator Day while NCURA Region I uses Inter…
Source-backedEdition SpecificIn-depth guide
Reserves Day
UK Parliament written answer by the Ministry of Defence
Source-backedFixed AnnualIn-depth guide
Respect for Parents Day
Contemporaneous Los Angeles Times reporting in 1995 documents Marilyn Dalrymple’s campaign to create/proclaim August 1 as Respect for Parents Day, and a 2000 Christian Science Monitor featu…
Source-backedRule Based AnnualIn-depth guide
Respect for the Aged Day (敬老の日)
Japan’s Cabinet Office explains that Respect for the Aged Day has fallen on the third Monday of September since 2003; in 2026 that is 21 September. It separately identifies 15 September as…
Source-backedFixed AnnualIn-depth guide
Respect Your Cat Day
The Animal Medical Center repeatedly lists Respect Your Cat Day on March 28 across annual pet-holiday calendars.
Source-backedFixed AnnualIn-depth guide
Restauration de la République
The Canton of Geneva’s official holiday calendar lists Restauration de la République on 31 December, including 31 December 2026 and subsequent calendars.
Source-backedFixed AnnualIn-depth guide
Restoration of Independence Day
Timor-Leste Law No. 10/2005 of 10 August establishes 20 May, Restoration of Independence Day, as a fixed-date national public holiday; current government notices continue that legal status.
Source-backedFixed AnnualIn-depth guide
Rheumatoid Arthritis Awareness Day
The Arthritis Foundation’s awareness calendar lists Rheumatoid Arthritis Awareness Day on February 2.
Source-backedFixed AnnualIn-depth guide
Rhode Island Independence Day
Rhode Island government sources state that 4 May each year is established as Rhode Island Independence Day, commemorating the General Assembly’s 4 May 1776 Act renouncing allegiance to the…
Source-backedRule Based AnnualIn-depth guide
Ride to Work Day
NHTSA identifies Ride to Work Day on the second Tuesday in June; the campaign organizer likewise uses that recurrence, making 9 June the 2026 date.
Source-backedFixed AnnualIn-depth guide
Rizal Day
December 30 commemorates José Rizal’s death on 30 December 1896. Official historical material records national commemoration in 1898; Act No. 345 of 1902 designated December 30 a public hol…
Source-backedFixed AnnualIn-depth guide
RLS Awareness Day
RLS Foundation materials identify September 23 as RLS Awareness Day, explain that the date is Professor Karl-Axel Ekbom’s birthday, and document a 2012 international WED/RLS awareness coali…
Source-backedFixed AnnualIn-depth guide
RMS Titanic sinking anniversary
NOAA verifies that RMS Titanic sank on 15 April 1912 and describes the protected wreck site as a memorial. The record is a historical anniversary and does not assert creation of a separatel…
Source-backedFixed AnnualIn-depth guide
Roald Dahl Story Day
Roald Dahl’s Marvellous Children’s Charity currently promotes Roald Dahl Story Day as an annual global celebration beginning from 13 September, with schools able to choose a suitable partic…
Source-backedFixed AnnualIn-depth guide
Ronald Reagan Day
The California Department of Education states that 6 February of each year is designated and set apart as Ronald Reagan Day pursuant to Education Code section 37222, with schools encouraged…
Source-backedRule Based AnnualIn-depth guide
Root Canal Appreciation Day
Contemporaneous March 2005 launch material identifies Madison dentist Dr. Chris Kammer as creator, designates May 11, 2005 as the first National Root Canal Appreciation Day, and states that…
Source-backedRule Based AnnualIn-depth guide
Rose Parade presented by Honda
Pasadena Tournament of Roses states that Valley Hunt Club members led by Charles Frederick Holder sponsored the first Tournament of Roses in 1890; the association continues to host the Rose…
Source-backedRule Based AnnualIn-depth guide
Royal Hobart Regatta
WorkSafe Tasmania / Tasmanian legislation
Source-backedFixed AnnualIn-depth guide
Russia Day
Official website of the President of Russia
Source-backedFixed AnnualIn-depth guide
Russian Language Day
United Nations language observance
Source-backedFixed AnnualIn-depth guide
Saba Saba Day
Government of Tanzania diplomatic missions
Source-backedRule Based AnnualIn-depth guide
Safer Internet Day
European Commission and Better Internet for Kids sources trace Safer Internet Day to the EU-funded SafeBorders project in 2004, document the first edition on 6 February 2004, the Insafe tra…
Source-backedFixed AnnualIn-depth guide
Safetypup Day
The National Child Safety Council states that Safetypup was introduced on February 12, 1985 and that Safetypup’s birthday is February 12; the Georgetown, Ohio Police Department independentl…
Source-backedFixed AnnualIn-depth guide
Saint Clement of Ohrid Day
North Macedonia’s Law on Holidays lists 8 December, St. Clement of Ohrid, among state holidays and provides non-working-day treatment for the state-holiday list. Government tourism material…
Source-backedFixed AnnualIn-depth guide
Saint Damien de Veuster Day
Hawaii Revised Statutes §8-8 designates May 10 as Saint Damien de Veuster Day and states that it is not a state holiday; 2010 Act 10 explicitly changed the older Father Damien DeVeuster Day…
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
Saint Lucia Independence Day
Government of Saint Lucia and the Saint Lucia Constitution Order verify 22 February 1979 as the independence/constitutional transition date; current government material continues annual Ind…
Source-backedFixed AnnualIn-depth guide
Saints Cyril and Methodius
Vatican City State’s current saint-of-the-day material marks Saints Cyril and Methodius on February 14. John Paul II’s 1980 apostolic letter Egregiae Virtutis records that Leo XIII introduc…
Source-backedFixed AnnualIn-depth guide
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
Samaritans Awareness Day
Samaritans’ current campaign page states that Samaritans Awareness Day is on July 24 because its listening service is available 24/7; a 2026 branch notice confirms current recurring use.
Source-backedFixed AnnualIn-depth guide
Samuel F. B. Morse birthday anniversary
The Smithsonian National Portrait Gallery records Samuel Finley Breese Morse’s birth date as 27 April 1791 and identifies him with the invention of the telegraph.
Source-backedFixed AnnualIn-depth guide
San Francisco’s official birthday anniversary
A National Register nomination held by the National Park Service states that the first Mass associated with Mission San Francisco de Asís was celebrated on June 29, 1776 and that June 29 re…
Source-backedFixed AnnualIn-depth guide
San Jacinto Day
Texas legislative records establish the 1836 historical anchor, the 1874 state-holiday action and current Government Code §662.003(b).
Source-backedFixed AnnualIn-depth guide
Sarawak Day
Sarawak government sources establish the 22 July historical anchor, the 2016 public-holiday milestone and continuing annual commemoration.
Source-backedRule Based AnnualIn-depth guide
Save the Florida Panther Day
Florida Statutes designate the third Saturday in March of each year as Save the Florida Panther Day; the U.S. Fish and Wildlife Service also promoted the 21 March 2026 observance.
Source-backedFixed AnnualIn-depth guide
Save The Frogs Day
SAVE THE FROGS! states that Save The Frogs Day takes place on April 28 every year and documents the 18th annual event on April 28, 2026.
Source-backedRule Based AnnualIn-depth guide
Save the Koala Day
The Australian Koala Foundation lists Save the Koala Day as the last Friday in September and identifies September 25 for the 2026 observance.
Source-backedRule Based AnnualIn-depth guide
Save Your Photos Day
The Photo Managers states it has led the Save Your Photos effort since 2014; founder Cathi Nelson describes Save Your Photos Day as the original last-Saturday-in-September format before exp…
Source-backedRule Based AnnualIn-depth guide
SBDC Day
America’s SBDC / SBDCNet, with U.S. Small Business Administration participation
Source-backedRule Based AnnualIn-depth guide
School Bus Driver Appreciation Day
Current school-government communications and a New York State Assembly member page identify School Bus Driver Appreciation Day as the fourth Tuesday in April; in 2026 that is 28 April.
Source-backedFixed AnnualIn-depth guide
School Day of Non-Violence and Peace
UNICEF Spain states that the School Day of Non-Violence and Peace is celebrated every year on January 30.
Source-backedFixed AnnualIn-depth guide
School Librarian Day
American Association of School Librarians publications identify April 4 as National School Librarian Day/School Librarian Day.
Source-backedFixed AnnualIn-depth guide
Scottish Wildcat Day
Action for Earth states that it founded Scottish Wildcat Day in 2016 and celebrates it every August 8; Royal Dornoch independently marked August 8 as Scottish Wildcat Day while supporting t…
Source-backedFixed AnnualIn-depth guide
Scout Founder’s Day
World Scouting marks Founder’s Day on February 22, the birthday of Scouting founder Robert Baden-Powell, and describes it as a recurring day for the worldwide Scouting family.
Source-backedFixed AnnualIn-depth guide
Scouting Anniversary Day
Scouting America defines February 8 as Scouting Anniversary Day, marking its February 8, 1910 incorporation, and its rules call for annual anniversary celebration.
Source-backedFixed AnnualIn-depth guide
Self-Injury Awareness Day
LifeSIGNS states that Self-Injury Awareness Day is March 1 every year, has been observed for well over twenty years, is recognized internationally and has been supported by LifeSIGNS since…
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-backedEdition SpecificIn-depth guide
September equinox (Northern Hemisphere fall equinox)
The U.S. Naval Observatory calculates the September equinox as an astronomical instant: 23 September 2026 at 00:05 UT and 23 September 2027 at 06:02 UT. The Northern Hemisphere calls this t…
Source-backedVariable CustomIn-depth guide
September Equinox / First Day of Astronomical Autumn
U.S. Naval Observatory season data define the equinox as the astronomical season boundary and provide target-year instants. The local civil date can differ by time zone and hemisphere conte…
Source-backedFixed AnnualIn-depth guide
Serfs' Emancipation Day
The Tibet Autonomous Region legislature adopted March 28 as Serfs' Emancipation Day on January 19, 2009; contemporaneous official reporting verifies the first 2009 observance and regional g…
Source-backedEdition SpecificIn-depth guide
Setsubun
Japan National Tourism Organization material describes Setsubun observances held each year on 3 February at the cited tradition site.
Source-backedFixed AnnualIn-depth guide
Sette Giugno
Government of Malta
Source-backedFixed AnnualIn-depth guide
Shades for Migraine
The Association of Migraine Disorders states that it founded Shades for Migraine in 2017, describes it as a global awareness campaign and says it hosts the international migraine-awareness…
Source-backedFixed AnnualIn-depth guide
Shark Awareness Day
NOAA Fisheries and current WWF UK material identify July 14 as Shark Awareness Day; Shark Trust material supports the conservation-awareness identity but is not used to infer a creator or c…
Source-backedFixed AnnualIn-depth guide
Sholes–Glidden–Soule typewriter patent anniversary
The Smithsonian National Museum of American History records that the Sholes, Glidden & Soule typewriter patent model was awarded U.S. Patent No. 79,265 on 23 June 1868.
Source-backedFixed AnnualIn-depth guide
Shopping cart introduction anniversary
Smithsonian history dates the first official shopping cart introduction to 4 June 1937 and preserves an early shopping cart in the National Museum of American History collection.
Source-backedHistorical LegacyIn-depth guide
Signing of the Guatemala Peace Accords
Guatemala Ministry of Finance material states that the peace agreement signed on 29 December 1996 between the Republic of Guatemala and the URNG marked the official end of the civil war.
Source-backedFixed AnnualIn-depth guide
Sinai Liberation Day
Egypt’s State Information Service states that the anniversary of Sinai Liberation is commemorated on April 25 each year; the 2026 presidential address marked the 44th anniversary.
Source-backedFixed AnnualIn-depth guide
Singapore Armed Forces (SAF) Day
Singapore’s Ministry of Defence documents SAF Day on 1 July and states that SAF Day Combined Rededication Ceremonies have been held annually since 1 July 1987.
Source-backedFixed AnnualIn-depth guide
Single Working Women’s Day
SWWAN creator-side history verifies Barbara Payne/SWWAN lineage and August 4 rationale while leaving the Day’s exact first recurring edition unresolved.
Source-backedFixed AnnualIn-depth guide
Sir Seretse Khama Day
Botswana’s 1992 declaration, 2006 Public Holidays Act and current government calendar establish the July 1 public-holiday lifecycle separately from the 1921 birth anniversary.
Source-backedFixed AnnualIn-depth guide
Sister Maria Hummel Day
The M.I. Hummel organization records Berta Hummel’s birth on 21 May 1909; an observance reference places Sister Maria Hummel Day on the same 21 May birthday anchor.
Source-backedRule Based AnnualIn-depth guide
SKYWARN Recognition Day
National Weather Service states that SKYWARN Recognition Day was developed in 1999 by the NWS and ARRL, and its archive identifies the first event on 27 November 1999. The normal recurrence…
Source-backedEdition SpecificIn-depth guide
Slow Art Day
Slow Art Day says Phyl Terry developed slow-looking experiments in 2008–2009 and then launched Slow Art Day with a volunteer team; the organization describes the event as founded in 2010 an…
Source-backedEdition SpecificIn-depth guide
Small Business Saturday
The U.S. Small Business Administration states that Small Business Saturday was founded by American Express in 2010 and has been officially cosponsored by SBA since 2011. SBA’s current 2026…
Source-backedFixed AnnualIn-depth guide
Smart Home Day
National Smart Home states that it founded Smart Home Day; its contemporaneous 2018 release calls November 3, 2018 the first annual National #SmartHomeDay, and CEDIA currently champions Nov…