2026
Later action
Joseph Jenkins Roberts Memorial Birth Anniversary
Kept March 15 as the 217th memorial anniversary and designated Monday, March 16, 2026 as the public-holiday observance because March 15 fell on Sunday.
Evergreen date guide
What is celebrated on March 14?
See the observances and verified observance-history milestones attached to March 14. 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.
2023
First observance
Professional Speakers Celebration Day
The Professional Speaking Association, a GSF member association, explicitly described March 14, 2023 as the first-ever worldwide Professional Speakers Celebration Day.
2020
First observance
International Day of Mathematics
The International Mathematical Union records that the inaugural International Day of Mathematics celebration took place on 14 March 2020.
2018
First observance
National Write Your Story Day
The proclamation says the observance would be observed annually beginning March 14, 2018.
1998
First observance
International Day of Action for Rivers
International Rivers’ organizational timeline records that the first International Day of Action for Rivers launched in 1998 with 50 actions in 24 countries.
1988
First observance
Pi Day
An Exploratorium-preserved interview with Larry Shaw and colleagues identifies March 14, 1988 as the first Pi Day.
1980
First observance
White Day
Public-sector industry-history material records the first White Day event/campaign in 1980 after a two-year preparation period.
Curated global anchors
See the collection →Major global guides on March 14
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-backedFixed AnnualIn-depth guide
International Day of Mathematics
Reviewed depth
Other in-depth guides on March 14
Source-backedFixed AnnualIn-depth guide
Constitution Day
The Government of Andorra’s official embassy holiday calendar lists 14 March as Constitution Day.
Source-backedFixed AnnualIn-depth guide
Dog Theft Awareness Day
SAMPA identifies March 14 as its annual Dog Theft Awareness Day and maintains current prevention/recovery campaigning; the reviewed first-party material does not sufficiently establish the…
Source-backedFixed AnnualIn-depth guide
International Day of Action for Rivers
International Rivers states that participants at the first International Meeting of People Affected by Dams in Curitiba, Brazil, adopted the International Day of Action Against Dams and For…
Source-backedRule Based AnnualIn-depth guide
National Genealogy Day
Ancestry’s historical overview traces National Genealogy Day to a 2013 Limerick, Ireland celebration and states that it is observed on the second Saturday in March; the City of Tulsa indepe…
Source-backedFixed AnnualIn-depth guide
National Write Your Story Day
National Day Calendar states that Mitzy founded the observance in 2017 and that the registrar proclaimed annual observance beginning March 14, 2018.
Source-backedFixed AnnualIn-depth guide
Pi Day
The U.S. House of Representatives agreed to a resolution supporting the designation of Pi Day and encouraging schools and educators to observe it with mathematics activities
Explore the mix
All topics →Topics represented on March 14
9 observances
All observances on this date
Source-backedFixed AnnualIn-depth guide
Constitution Day
The Government of Andorra’s official embassy holiday calendar lists 14 March as Constitution Day.
Source-backedFixed AnnualIn-depth guide
Dog Theft Awareness Day
SAMPA identifies March 14 as its annual Dog Theft Awareness Day and maintains current prevention/recovery campaigning; the reviewed first-party material does not sufficiently establish the…
Source-backedFixed AnnualIn-depth guide
International Day of Action for Rivers
International Rivers states that participants at the first International Meeting of People Affected by Dams in Curitiba, Brazil, adopted the International Day of Action Against Dams and For…
Source-backedFixed AnnualIn-depth guide
International Day of Mathematics
Source-backedRule Based AnnualIn-depth guide
National Genealogy Day
Ancestry’s historical overview traces National Genealogy Day to a 2013 Limerick, Ireland celebration and states that it is observed on the second Saturday in March; the City of Tulsa indepe…
Source-backedFixed AnnualIn-depth guide
National Write Your Story Day
National Day Calendar states that Mitzy founded the observance in 2017 and that the registrar proclaimed annual observance beginning March 14, 2018.
Source-backedFixed AnnualIn-depth guide
Pi Day
The U.S. House of Representatives agreed to a resolution supporting the designation of Pi Day and encouraging schools and educators to observe it with mathematics activities
Source-backedFixed AnnualIn-depth guide
Professional Speakers Celebration Day
The Global Speakers Federation names March 14 as Professional Speakers Celebration Day annually, beginning in 2023, and its 2026 program again uses March 14.
Source-backedFixed AnnualIn-depth guide
White Day
Japan National Tourism Organization identifies White Day on 14 March as a Japanese gift-giving custom; Japanese public-sector and industry-history material supports the national confectione…
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 →