Source-backedRule Based AnnualIn-depth guide
International Systems Engineer Day
The observance’s creator site states that it was founded in 2012 and is celebrated annually on the last Friday of November.
Topic hub
Workplace, Professions & Appreciation observances
Professional recognition, workplace campaigns, occupations, industries and appreciation observances.
Refine this topic
All facets →Narrower facets
220 observances
All observances
Source-backedFixed AnnualIn-depth guide
International Translation Day
A/RES/71/288
Source-backedRule Based AnnualIn-depth guide
International Virtual Assistants Day
The original 2006 announcement and later OIVAC materials describe International Virtual Assistants Day as the third Friday of May each year.
Source-backedFixed AnnualIn-depth guide
International Volunteer Day for Economic and Social Development
A/RES/40/212
Source-backedFixed AnnualIn-depth guide
International Women in Engineering Day
Women’s Engineering Society (WES)
Source-backedRule Based AnnualIn-depth guide
IT Professionals Day / IT Pro Day
SolarWinds states that IT Pro Day began in 2015 and is observed on the third Tuesday of every September.
Source-backedRule Based AnnualIn-depth guide
Labor Day
U.S. Department of Labor history and 5 U.S.C. 6103 verify the 1882 first celebration, the 1894 federal enactment and the current first-Monday-in-September legal holiday; founder attribution…
Source-backedFixed AnnualIn-depth guide
Labor Day (Philippines)
Supreme Court E-Library / official presidential proclamation
Source-backedRule Based AnnualIn-depth guide
Labour Day
Canada government holiday schedules and federal labour standards; this Canadian date must not be generalized internationally.
Source-backedFixed AnnualIn-depth guide
Lash Stylists’ Day
Noble Lashes’ current site lists its September 24 Lash Stylist Day initiative; current corroboration attributes creation to Noble Lashes in 2018 while the exact first recurring edition rema…
Source-backedFixed AnnualIn-depth guide
Lips Appreciation Day
The first-party Wellcat Holidays calendar lists Lips Appreciation Day on March 16 and states that Wellcat Holidays were created by Thomas and Ruth Roy. Wellcat’s About page independently de…
Source-backedRule Based AnnualIn-depth guide
Love Your Lawyer Day
The Florida Bar states that Love Your Lawyer Day is celebrated on the first Friday of every November and traces the initiative to ALPIA, with ABA Law Practice recognition.
Source-backedFixed AnnualIn-depth guide
Love Your Produce Manager® Day
Frieda’s first-party material places Love Your Produce Manager Day on April 2 and states that the company created the holiday on its 50th anniversary in 2012.
Source-backedFixed AnnualIn-depth guide
Marine Corps Birthday
The U.S. Marine Corps states that Marines around the world celebrate the birth of the Corps each year on 10 November.
Source-backedFixed AnnualIn-depth guide
Marketing Operations Appreciation Day
Zapier’s own 2023 campaign page states that Marketing Operations Appreciation Day is April 11 and describes it as an annual recognition initiative.
Source-backedFixed AnnualIn-depth guide
Merchant Navy Day
GOV.UK marks Merchant Navy Day on 3 September and describes the contribution of merchant seafarers
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-backedRule Based AnnualIn-depth guide
National Activity Professionals Day
California Association of Activity Professionals documents the history of National Activity Professionals Day, while current calendar references consistently use the fourth Friday in Januar…
Source-backedFixed AnnualIn-depth guide
National Astronaut Day
The White House issued a National Astronaut Day message on 5 May 2026 honoring Alan Shepard’s first American human spaceflight; the observance’s organizer describes May 5 as the annual date.
Source-backedFixed AnnualIn-depth guide
National B2B Salesperson Day
Salesperson Inc. states that it founded National B2B Salesperson Day in 2026 and designates January 16 every year for B2B salesperson recognition.
Source-backedFixed AnnualIn-depth guide
National Bakers-Crafters-Makers Day
National Day Archives records Gift Biz Unwrapped as creating the day in November 2020 for annual January 21 observance. Sue Monhait announced the January 21 celebration in January 2021, lat…
Source-backedFixed AnnualIn-depth guide
National Barbershop Music Appreciation Day
National Day Calendar states Sweet Adelines International founded the observance in 2005 for its 60th anniversary, tied to the organization’s July 13, 1945 founding date; a Sweet Adelines r…
Source-backedFixed AnnualIn-depth guide
National Biologic Coordinators Day
The campaign launch material and day registry identify November 1 as National Biologic Coordinators Day, launched by Janssen in 2021 to recognize biologic coordinators.
Source-backedFixed AnnualIn-depth guide
National Black Barber Shop Appreciation Day
National Day Archives attributes the May 1 observance to James Jean-Pierre, created in April 2021; University of Georgia Extension independently recognizes the date in community-health educ…
Source-backedFixed AnnualIn-depth guide
National Black Marketers Day
Black Marketers Coalition first-party material announces creation of National Black Marketers Day and annual November 16 observance; the creator registry dates creation to September 2021.
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-backedRule Based AnnualIn-depth guide
National Call Your Doctor Day
National Day Calendar’s proclamation record says Bright Pink founded the observance in 2016 and that the recurring date was moved to the second Tuesday in June beginning in 2017.
Source-backedRule Based AnnualIn-depth guide
National Caregivers Day
California Assembly Rules Committee analysis describes National Caregivers Day as founded in 2015 and observed annually on the third Friday in February.
Source-backedFixed AnnualIn-depth guide
National Cartoonists Day
Industry retrospective evidence supports a National Cartoonists Society initiative first observed May 5, 1999; the Library of Congress independently verifies the May 5, 1895 Hogan’s Alley c…
Source-backedFixed AnnualIn-depth guide
National Controlled Environment Certifier Day
Controlled Environment Testing Association (CETA) first-party material states that CETA established National Controlled Environment Certifier Day, sponsored its creation in 2025, and observ…
Source-backedFixed AnnualIn-depth guide
National Crime and Intelligence Analyst Appreciation Day
The Florida Crime & Intelligence Analyst Association states that it created NCIAAD in 2021 and promotes the sixth annual observance on September 20, 2026; IALEIA also recognizes the day.
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 Daylight Appreciation Day
Published event material identifies Solatube International as creator and Solatube describes itself as sponsor of the annual June 21 observance. NASA/NOAA material is used to separate the f…
Source-backedFixed AnnualIn-depth guide
National Death Doula Day
Doulagivers identifies April 20 as National Death Doula Day, and observance-registration records trace its creation to Doulagivers in 2019.
Source-backedRule Based AnnualIn-depth guide
National Defense Transportation Day
36 U.S.C. §120 requests an annual presidential proclamation designating the third Friday in May as National Defense Transportation Day and recognizing the importance of the U.S. transportat…
Source-backedFixed AnnualIn-depth guide
National Dentist Day
The Academy of General Dentistry explicitly celebrated National Dentist Day on March 6, 2025, supporting March 6 for the U.S. observance.
Source-backedFixed AnnualIn-depth guide
National Developmental Disability Professionals Day
NAQ states that it founded Developmental Disability Professionals Day as a stand-alone day every year on 15 July to recognize professionals who support people with intellectual and developm…
Source-backedFixed AnnualIn-depth guide
National Doctors’ Day
AMA history places the first Doctors’ Day in Winder, Georgia in 1933; Missouri State Medical Association history credits Eudora Brown Almond with conceiving the observance and explains the…
Source-backedFixed AnnualIn-depth guide
National Dog Walker Appreciation Day
Wag! announced the first annual National Dog Walker Appreciation Day for September 8, 2016 and established September 8 as the recognition date.
Source-backedHistorical LegacyIn-depth guide
National Employee Health and Fitness Day
Federal historical material documents the NAHF third-Wednesday-in-May day; Fairfax County’s 2011 official summary states the observance expanded from one day to the full month, and NAHF now…
Source-backedRule Based AnnualIn-depth guide
National Entrepreneurs’ Day
Historical White House material documents a 2010 National Entrepreneurship Week and National Entrepreneurs’ Day celebration; modern calendar evidence places the continuing observance on the…
Source-backedFixed AnnualIn-depth guide
National Farm Workers Day
Public proclamations and government education material recognize National Farm Workers Day on March 31, including a 2026 Colorado resolution and local proclamation language describing annua…
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 Farmers’ Day (Kisan Diwas)
ICAR states that Kisan Diwas is observed annually on 23 December and commemorates Chaudhary Charan Singh’s birth anniversary; Press Information Bureau likewise identifies National Farmers D…
Source-backedFixed AnnualIn-depth guide
National Farmers’ Day (Kisan Diwas)
Government of India material identifies National Farmers’ Day, also known as Kisan Diwas, on 23 December.
Source-backedFixed AnnualIn-depth guide
National Field Marketer’s Day
Splash created the inaugural National Field Marketer’s Day for September 23, 2021 and stated annual intent; official Cvent community material for Splash continued the September 23 celebrati…
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-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
National Fisherfolks Day
Philippine Proclamation No. 261 (2000) declares May 31 of every year as National Fisherfolks Day.
Source-backedFixed AnnualIn-depth guide
National Former POW Recognition Day
Federal records show Congress designated April 9, 1987 as National Former POW Recognition Day and President Reagan proclaimed it on April 8, 1987; VA materials continue annual April 9 remem…
Source-backedVariable CustomIn-depth guide
National Freelancers Day
IPSE’s own records show National Freelancers Day on different dates across editions: 16 June 2022, 6 July 2023, 20 June 2024, 17 June 2025 and 10 June 2026. The observance is recurring, but…
Source-backedFixed AnnualIn-depth guide
National Girl Scout Leader’s Day
Current Girl Scout council resources identify April 22 as Girl Scout Leader’s Day; contemporaneous April 1982 reporting identifies April 22, 1982 as the first nationwide observance and attr…
Source-backedRule Based AnnualIn-depth guide
National Hospitalist Day
SHM states that National Hospitalist Day occurs on the first Thursday in March annually and documents the inaugural 7 March 2019 observance.
Source-backedFixed AnnualIn-depth guide
National Hospitality Workers Appreciation Day
Turning Point Australia explicitly marks National Hospitality Workers Appreciation Day on February 23, while current calendar references use February 23 annually.
Source-backedFixed AnnualIn-depth guide
National HVAC Tech Day
ARS/Rescue Rooter says it established National HVAC Tech Day in 2016 and celebrates it on June 22.
Source-backedFixed AnnualIn-depth guide
National I Love My Dentist Day
PPAI explicitly identifies National I Love My Dentist Day on June 2; current observance sources corroborate the date while the original founder remains unresolved.
Source-backedFixed AnnualIn-depth guide
National Independent Worker Day
National Day Archives records National Independent Worker Day on August 16 and attributes its creation to iPSE-U.S. in 2019; current brand recognition provides additional corroboration.
Source-backedRule Based AnnualIn-depth guide
National Intern Day
National Intern Day’s official FAQ says the campaign is held on the last Thursday in July, and current WayUp material identifies 30 July 2026.
Source-backedRule Based AnnualIn-depth guide
National Interpreter Appreciation Day
Minnesota Judicial Branch explicitly references National Interpreter Appreciation Day on Wednesday, May 6, 2026; Illinois court and public-school calendars place the observance on Wednesday…
Source-backedFixed AnnualIn-depth guide
National Inventors’ Day
Primary federal records show that Public Law 95-463 designated February 11, 1979 as National Inventors’ Day and authorized a Carter proclamation; later federal instruments again designated…
Source-backedFixed AnnualIn-depth guide
National Law Enforcement Appreciation Day (L.E.A.D.)
Concerns of Police Survivors (C.O.P.S.) currently runs National Law Enforcement Appreciation Day on January 9; a District of Columbia announcement documents the January 9, 2015 launch with…
Source-backedFixed AnnualIn-depth guide
National Logistics Day
Logistics Plus first-party releases establish creation in 2019, the first June 28, 2019 edition and continuing June 28 recurrence.
Source-backedFixed AnnualIn-depth guide
National Mental Health Provider Appreciation Day
Creator Anne C. Totero states that she created and began advocating for Mental Health Provider Appreciation Day in 2020, with an unofficial first observance on May 12, 2020. Wisconsin later…
Source-backedFixed AnnualIn-depth guide
National Miners Day
U.S. Department of Labor / Mine Safety and Health Administration; Congress-designated observance
Source-backedFixed AnnualIn-depth guide
National Newspaper Columnists Day
National Society of Newspaper Columnists first-party history says the society passed a resolution establishing April 18 as National Columnists Day, first marked it in 1995, and chose the an…
Source-backedFixed AnnualIn-depth guide
National Nurses Day
ANA history and federal primary records establish May 6 professional recognition and the date-specific 1982 National Recognition Day for Nurses while separating the later Nurses Week framew…
Source-backedVariable CustomIn-depth guide
National Nursing Assistants’ Day
The 2026 AHCA/NCAL Healthcare Observances Calendar lists National Nursing Assistants’ Day on June 17 and separately lists National Nursing Assistants Week June 11–17, while NAHCA publishes…
Source-backedFixed AnnualIn-depth guide
National Paralegal Day
The American Bar Association states that NALA, NFPA, NALS and AAfPE joined in 2024 to establish National Paralegal Day on August 6; NALA records the first celebration on August 6, 2024 and…
Source-backedFixed AnnualIn-depth guide
National Patient Recognition Day
Virginia Department of Health material identifies National Patient Recognition Day on February 3 within National Patient Recognition Week; observance references trace the day to John O’Mall…
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
National Postal Workers Day
India's Press Information Bureau states that National Postal Workers Day is observed on 1 July and recognizes postal workers and their service.
Source-backedRule Based AnnualIn-depth guide
National POW/MIA Recognition Day
Public Law 95-349 designated July 18, 1979 as National P.O.W.-M.I.A. Recognition Day and President Jimmy Carter issued Proclamation 4664 for that inaugural observance. Current Defense POW/M…