Source-backedFixed AnnualIn-depth guide
National Pet Choking Prevention Day
Bow Wow Labs identifies June 22 as National Pet Choking Prevention Day, created to raise awareness of choking hazards for pets.
Observance library
Browse all researched observances
2,411 researched observances. Search for a specific name or known alternate name.
Source-backedFixed AnnualIn-depth guide
National Pet Day
Founder Colleen Paige’s current holiday list places National Pet Day on April 11, and the U.S. Census Bureau lists National Pet Day on April 11 in its current April resources.
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National Pet Fire Safety Day
AKC and ADT launched the inaugural National Pet Fire Safety Day in July 2009; current first-party pages continue the July 15 awareness campaign.
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National Pet Memorial Day
The International Association of Pet Cemeteries and Crematories says National Pet Memorial Day is held each year on the second Sunday in September and was established by the IAOPCC in 1971…
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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…
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National Pet Parents Day
The Animal Medical Center’s 2026 calendar and National Day Calendar identify National Pet Parents Day as the last Sunday in April.
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National Philanthropy Day®
AFP history plus U.S. and Canadian primary legal records establish Douglas Freeman’s origin role, the first official 1986 celebration, a date-specific U.S. federal designation, and permanen…
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National Pickleball Day
A 2025 Forbes interview with founder Deirdre “Dee” Morris documents why she selected August 8 and describes 2025 as the fifth annual U.S. National Pickleball Day; current observance sources…
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National Pie Day
The American Pie Council currently promotes National Pie Day on January 23; institutional historical material also attributes an earlier 1970s start to Charlie Papazian, so creator/first-ye…
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National Play Day with Dad
National Day Calendar’s private proclamation record attributes the 2019 founding to Share Our Style Foundation and records an annual November 25 proclamation; first edition and current faci…
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National Play Outside Day
The official National Play Outside Day site states that the observance occurs on the first Saturday of every month and records the first National Play Outside Day on April 2, 2011.
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National PLAY-DOH Day
Hasbro states that National PLAY-DOH Day is celebrated annually on September 16 and was created by Hasbro in 2006. Hasbro states that the U.S. observance had been recognized since 2006 when…
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National Plum Pudding Day
Two ANFP Wyoming chapter calendars list National Plum Pudding Day on February 12.
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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…
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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…
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National Police Remembrance Day
Queensland Police Service states that the tradition began in 1989 and is observed annually; Victoria Police confirms 29 September each year and documented the 2026 observance.
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National Pool Opening Day
Leslie’s first-party material identifies National Pool Opening Day as the last Saturday in April and documents current company participation; founder and first-edition claims remain unresol…
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National Popcorn Day
The Popcorn Board currently uses January 19 for National Popcorn Day but explicitly states that it does not know how or when the celebration began and documents historical date ambiguity.
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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.
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National Potty Dance Day
Current calendar references place the observance on March 5 annually and identify Charmin as having created it in 2014.
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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…
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National Prairie Day
The Missouri Prairie Foundation says it founded National Prairie Day in 2016 and observes it annually on the first Saturday in June; its current 2026 programme identifies 6 June 2026.
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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…
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National Preschool Teachers Appreciation Day
Virginia Department of Education bulletins identify National Preschool Teachers Appreciation Day on March 21 in 2025 and March 20 in 2026, establishing the recurring third-Friday-in-March p…
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National Pride Prom Day
National Today published a contemporaneous June 2024 launch describing the first annual National Pride Prom Day on the fourth Saturday in June. EventGuide lists June 22, 2024 as the new obs…
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National Productive Business Civility Day
National Day Archives credits Professor Dr. Vernet A. Joseph with founding the observance in 2020; contemporaneous Productive Business Civility/I Change Nations material promotes annual Jun…
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National Professional House Cleaners Day
National Day Calendar records the American House Cleaners Association as founder and September 17 as the annual observance date.
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National Programmatic Advertising Day
Viant’s Adelphic announced the launch of the first annual National Programmatic Advertising Day in 2019 and states that the registered day occurs each year on November 7 to recognize progra…
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National Psychotherapy Day
A contemporaneous 17 September 2012 GoodTherapy/Psychotherapy Foundation announcement identifies 25 September 2012 as the first annual National Psychotherapy Day.
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National PTSD Awareness Day
The U.S. Department of Veterans Affairs identifies 27 June as PTSD Awareness Day; congressional records also document National PTSD Awareness Day recognition on that date.
Source-backedRule Based AnnualIn-depth guide
National Public Gardens Day
The American Public Gardens Association documents National Public Gardens Day as an annual tradition on the Friday preceding Mother’s Day weekend and records its inauguration in 2009.
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National Public Lands Day
National Park Service current 2026 observance page; led by NEEF in partnership with NPS and federal agencies
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National Public Science Day
A 2000 NCAR/UCAR release says National Public Science Day was sponsored by AAAS and celebrated on February 17; current observance references continue to use February 17 annually.
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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…
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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.
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National Punctuation Day
Founder interview and institutional/media coverage identify Jeff Rubin as creator, September 24 as the annual date and 2004 as the reported launch year; exact first public annual edition re…
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National Puppy Day
Founder Colleen Paige’s current holiday list places National Puppy Day on March 23; the U.S. Census Bureau also lists National Puppy Day on March 23 in public education resources.
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National Puppy Mill Survivor Day
Bailing Out Benji states it created National Puppy Mill Survivor Day in September 2021 and that it takes place on September 30 each calendar year.
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National Purebred Dog Day
The American Kennel Club identifies 1 May as National Purebred Dog Day and its May 2026 Gazette explicitly celebrates the date.
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National Radio Day
August 20 is strongly institutionally corroborated, while the current National Radio Day organizer explicitly states that there is no one authoritative source for the observance’s origin; c…
Source-backedFixed AnnualIn-depth guide
National Raisin Day
Contemporary 1909 reporting documents an April 30 Raisin Day campaign organized by California raisin growers; USDA history records Fresno’s first Raisin Day parade on April 30, 1909 and ann…
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National Ranch Water Day
RANCH2O Spirits currently states that it gave Ranch Water a national holiday and publishes April 11; the creator-submitted National Day Archives record dates creation to February 2021 and a…
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National Rebellion Day
Cuba Travel lists 26 July as National Rebellion Day. Current Granma party-state coverage describes the same July 26 national ceremony as marking the anniversary of the 1953 assaults on the…
Source-backedRule Based AnnualIn-depth guide
National Rebuilding Day
Rebuilding Together says National Rebuilding Month culminates with National Rebuilding Day on the last Saturday of April, a timing that honors the history of its 1973 founding lineage.
Source-backedRule Based AnnualIn-depth guide
National Receptionists Day
New York Senate Resolution J5006 describes National Receptionists Day as the second Wednesday in May and records its 1991 creation by the Director of the National Receptionists Association.
Source-backedFixed AnnualIn-depth guide
National Recommit to Your Fitness Day
F45 Training launched National Recommit to Your Fitness Day in 2025 as an annual April 5 initiative; its first-party announcement says 4/5 is a nod to the F45 name.
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National Relationship Equity Day
Current creator first-party material identifies Dr. Femi Ogunjinmi as founder and states that National Relationship Equity Day is celebrated every June 24; National Day Archives attributes…
Source-backedFixed AnnualIn-depth guide
National Report General Service Administration (GSA) Fraud Day
The Hesch Firm-issued 2018 founder release establishes March 6 and Joel D. Hesch as founder. The campaign title itself uses “General Service Administration,” while official GSA material ide…
Source-backedFixed AnnualIn-depth guide
National Report Government Contractor Fraud Day
The Hesch Firm-issued May 2018 founder release states the observance is celebrated May 8 and says Joel D. Hesch formed it in 2018. DOJ material is retained only for current False Claims Act…
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National Report IRS Tax Fraud Day
The Hesch Firm’s contemporaneous April 5, 2018 announcement identifies Joel D. Hesch as creator and April 10 as the observance date; current IRS sources provide the authoritative reporting…
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-backedFixed AnnualIn-depth guide
National Report Medicare Fraud Day
FBI Phoenix explicitly recognized National Report Medicare Fraud Day on September 12, while observance records attribute the campaign to former DOJ attorney Joel Hesch and the Hesch Firm.
Source-backedFixed AnnualIn-depth guide
National Report Military Fraud Day
The Hesch Firm-issued June 2018 founder release establishes July 2, says Joel D. Hesch formed the observance in 2018, and frames it as a private fraud-awareness campaign. Current DoD OIG ma…
Source-backedFixed AnnualIn-depth guide
National Report Pharmaceutical Fraud Day
A creator-provided Hesch Firm release identifies January 23 as National Report Pharmaceutical Fraud Day and says Joel D. Hesch formed the observance, with the campaign beginning in 2017.
Source-backedFixed AnnualIn-depth guide
National Report Trade Agreement Act (TAA) Fraud Day
The Hesch Firm-issued June 2018 founder release establishes June 26 and says Joel D. Hesch formed the observance in 2018. Current Acquisition.gov material is used for the Trade Agreements A…
Source-backedFixed AnnualIn-depth guide
National Report Upcoding Fraud Day
National Day Archives currently records August 21 and attributes the observance to The Hesch Firm / Joel D. Hesch with a 2017 start. No surviving first-party Hesch founder source for this s…
Source-backedFixed AnnualIn-depth guide
National Rescue Dog Day
The official National Rescue Dog Day site and Tails That Teach identify Lisa Wiehebrink as founder, state the observance was founded in 2018 and maintain annual May 20 recurrence; National…
Source-backedFixed AnnualIn-depth guide
National Respect Day
Contemporaneous 2008 reporting identifies the first annual National RESPECT! Day on September 19, 2008 through the Family Violence Prevention Fund–Macy’s campaign; current histories record…
Source-backedFixed AnnualIn-depth guide
National Retinol Day
RoC Skincare’s November 4, 2021 launch release announced the first National Retinol Day for November 7, 2021 and annual recurrence; AAD guidance is retained only for independent retinoid sa…
Source-backedFixed AnnualIn-depth guide
National Retro Video Game Day
Trademark records connect Hyperkin, Inc. with the NATIONAL RETRO VIDEO GAME DAY mark filed in 2016, while observance references consistently place the day on March 8.
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…
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National Ride Your Horse to a Bar Day
National Day Archives records the day as created in April 2021 by Dale Garwood and recurring annually on April 2; Days Of The Year independently identifies Dale Garwood as founder and April…
Source-backedVariable CustomIn-depth guide
National River Cleanup®
American Rivers operates National River Cleanup® as a network of cleanup events held throughout the year; organizers register an event date, so there is no single universal recurring Nation…
Source-backedFixed AnnualIn-depth guide
National Roanoke Community Beautification Day
National Day Archives records July 27 and attributes the 2020 creation to VASH Developers LLC; Roanoke City Council minutes independently document recognition tied to the beautification-day…
Source-backedFixed AnnualIn-depth guide
National Root Beer Float Day
A&W’s first-party company history states that every August 6 the brand celebrates National Root Beer Float Day, and A&W’s dedicated observance materials likewise use August 6.
Source-backedFixed AnnualIn-depth guide
National Rosa Tequila Day
CALIROSA’s own company post describes its September 14, 2022 gathering as the first-ever National Rosa Tequila Day celebration, while independent PR/event coverage describes the CALIROSA ga…
Source-backedFixed AnnualIn-depth guide
National Rotate Your Beer Day
National Day Archives records National Rotate Your Beer Day on May 1 and attributes it to Superior Beverage Group, while Days Of The Year independently places it on May 1.
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National Rotisserie Chicken Day
Boston Market announced the first National Rotisserie Chicken Day for June 2, 2015 and described it as a new annual observance; a later company release again celebrated the day on June 2.
Source-backedFixed AnnualIn-depth guide
National Rum Day
Bacardi Limited first-party releases on August 16 explicitly identify the date as National Rum Day, including separate BACARDÍ and Santa Teresa brand material.
Source-backedRule Based AnnualIn-depth guide
National Rural Health Day
NOSORH states that National Rural Health Day has been observed on the third Thursday of November since 2011.
Source-backedRule Based AnnualIn-depth guide
National SAFER Workplace Day
Schmersal/tec.nicum states that it founded National SAFER Workplace Day, first observed on 30 June 2023, on the last Friday of June; its current page lists 25 June 2027.
Source-backedFixed AnnualIn-depth guide
National Safety Day (India)
The National Safety Council of India was established on March 4, 1966 and records that National Safety Day began in 1972 to mark its Foundation Day. NSC guidance states that the campaign be…