2021
Institutional decision
International Day of Argania
The resolution and UN Digital Library action record identify the 56th plenary meeting on 3 March 2021.
Evergreen date guide
What is celebrated on March 3?
See the observances and verified observance-history milestones attached to March 3. Each observance keeps its own source and date details.
Verified history
Today in history →On this date in observance history
Selected observance milestones connected to this date, based on reviewed sources.
2019
2019
Institutional decision
303 Day
The launch record is dated 3 March 2019 and announces the inaugural observance that day.
2018
First observance
National Soup It Forward Day
The registrar says annual observance began in 2018 and the fixed date is March 3.
2017
First observance
National Tartar Sauce Day
Frisch’s launch release calls the March 3 activities the first-year celebration.
2017
Later action
National Tartar Sauce Day
Locally proclaimed March 3, 2017 as Frisch’s Tartar Sauce Day in Cincinnati during the first-year celebration.
2016
First observance
World Hearing Day
WHO’s official timeline states that 3 March 2016 was observed as World Hearing Day after earlier observance under ear-care names.
2014
First observance
Guam History and Chamorro Heritage Day
The Governor of Guam published a March 2014 release identifying March 3 as Guam History and Chamorro Heritage Day before the later statutory enactment.
Reviewed depth
Other in-depth guides on March 3
Source-backedFixed AnnualIn-depth guide
303 Day
Roland describes 303 Day as the TB-303 celebration day observed every year on 3 March and documents the inaugural 303 Day on 3 March 2019.
Source-backedFixed AnnualIn-depth guide
Global Omega-3 Day™
GOED states that it created Global Omega-3 Day™ on March 3 and continues to coordinate the campaign; its 2022 annual report calls 2022 the second annual edition, supporting a 2021 first edi…
Source-backedFixed AnnualIn-depth guide
Hina Matsuri / Doll’s Festival / Girls’ Day
The Japan National Tourism Organization describes the third day of the third month as the annual Hina Matsuri or Doll’s Festival/Girls’ Day celebration in Japan.
Source-backedFixed AnnualIn-depth guide
International Irish Whiskey Day
Creator and professional-profile evidence identifies Stuart McNamara as creator, with conception in 2016; a Galway Town Hall Theatre programme documents the launch in March 2017, while curr…
Source-backedFixed AnnualIn-depth guide
Martyrs’ Day
Malawi government material states that Martyrs’ Day is observed annually on 3 March to honor those who sacrificed their lives for freedom and self-rule.
Source-backedFixed AnnualIn-depth guide
Mother’s Day
Article 30 of Georgia’s current Labour Code lists March 3 as Mother’s Day among statutory holidays; the Public Defender states that the date has been celebrated in Georgia since 1991.
Explore the mix
All topics →Topics represented on March 3
15 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
303 Day
Roland describes 303 Day as the TB-303 celebration day observed every year on 3 March and documents the inaugural 303 Day on 3 March 2019.
Source-backedFixed AnnualIn-depth guide
Global Omega-3 Day™
GOED states that it created Global Omega-3 Day™ on March 3 and continues to coordinate the campaign; its 2022 annual report calls 2022 the second annual edition, supporting a 2021 first edi…
Source-backedFixed AnnualIn-depth guide
Hina Matsuri / Doll’s Festival / Girls’ Day
The Japan National Tourism Organization describes the third day of the third month as the annual Hina Matsuri or Doll’s Festival/Girls’ Day celebration in Japan.
Source-backedFixed AnnualIn-depth guide
International Irish Whiskey Day
Creator and professional-profile evidence identifies Stuart McNamara as creator, with conception in 2016; a Galway Town Hall Theatre programme documents the launch in March 2017, while curr…
Source-backedFixed AnnualIn-depth guide
Martyrs’ Day
Malawi government material states that Martyrs’ Day is observed annually on 3 March to honor those who sacrificed their lives for freedom and self-rule.
Source-backedFixed AnnualIn-depth guide
Mother’s Day
Article 30 of Georgia’s current Labour Code lists March 3 as Mother’s Day among statutory holidays; the Public Defender states that the date has been celebrated in Georgia since 1991.
Source-backedFixed AnnualIn-depth guide
National Holiday — Day of Liberation from Ottoman Domination
Bulgaria’s Labour Code Article 154 lists March 3, the Day of Liberation of Bulgaria from Ottoman rule, as the national holiday; the Council of Ministers links the date to the preliminary Tr…
Source-backedFixed AnnualIn-depth guide
National Moscow Mule Day
A SMIRNOFF-supplied October 20, 2016 launch release states that SMIRNOFF and Foodimentary were declaring March 3 National Moscow Mule Day, explains the “3-3” date rationale, and says the ho…
Source-backedRule Based AnnualIn-depth guide
National Pancake Day (IHOP)
IHOP declared on 23 February 2026 that the first Tuesday of March is its annual National Pancake Day; prior editions are preserved as date-specific brand events rather than retroactively fo…
Source-backedFixed AnnualIn-depth guide
National Soup It Forward Day
Soup Sisters’ official campaign page identifies March 3 as Soup It Forward Day and invites people to make, share, or donate soup; a separate Soup Sisters article uses the National Soup It F…
Source-backedRule Based AnnualIn-depth guide
National Sportsmanship Day
Institute for International Sport materials and congressional records identify the program as an annual observance launched in 1991; historical administrator materials specify the first Tue…
Source-backedFixed AnnualIn-depth guide
Navy Reserve Birthday
The U.S. Navy Reserve identifies 3 March as the birthday of the Navy Reserve.
Source-backedFixed AnnualIn-depth guide
What if Cats & Dogs Had Opposable Thumbs Day
The first-party Wellcat Holidays calendar lists What if Cats & Dogs Had Opposable Thumbs Day on March 3 and identifies the collection as created by Thomas and Ruth Roy.
Source-backedFixed AnnualIn-depth guide
World Hearing Day
Source-backedFixed AnnualIn-depth guide
World Wildlife Day
A/RES/68/205
How dates are selected
This page combines fixed annual dates, reusable calendar rules and year-specific dates confirmed for 2026. Variable or historical dates are included only when they are clearly supported.
Read the methodology →