Every yearMarch 31
Everything March 31 celebrates
9 national, international, and world observances are on the calendar for March 31 every year, and 5 more land on it in some years.
| # | Observance | Category | Actions |
|---|---|---|---|
| 01 | Eiffel Tower DayLead | Celebration | |
| 02 | International Taco Day | Food | |
| 03 | International Transgender Day of Visibility | Community | |
| 04 | Manatee Appreciation Day | Nature | |
| 05 | National Bunsen Burner Day | Tech |
| 06 | National Clams on the Half Shell Day | Food | |
| 07 | National Crayon Day | Kids & Family | |
| 08 | National Little Red Wagon Day | Kids & Family | |
| 09 | World Backup Day | Tech |
These are set by a rule rather than a fixed date, so they only land on March 31 in some years.
Holy Tuesday — 2026
Earth Hour — 2029 and 2035
Holy Saturday — 2029
Passover — 2029
Education and Sharing Day — 2034
Born on March 31
Historic figures
- René Descartes1596–1650French mathematician and philosopher
- Joseph Haydn1732–1809Austrian pianist and composer
- Octavio Paz1914–1998Mexican poet and diplomat, Nobel Prize laureate
- Pope Benedict XIV1675–1758Head of the Catholic Church from 1740 to 1758
- Lawrence Bragg1890–1971Australian-English physicist and academic, Nobel Prize laureate
- Pope Pius IV1499–1565Head of the Catholic Church from 1559 to 1565
- Shin'ichirō Tomonaga1906–1979Japanese physicist
- Zviad Gamsakhurdia1939–1993Georgian anthropologist and politician, 1st President of Georgia
- Henry II of France1519–1559King of France from 1547 to 1559
- John Fowles1926–2005English novelist
Celebrities & public figures
- Al Goreb. 1948American soldier and politician
- Ewan McGregorb. 1971Scottish actor
- Christopher Walkenb. 1943American actor
- Angus Youngb. 1955Scottish-Australian guitarist and songwriter
- Shirley Jonesb. 1934American actress and singer
- Rhea Perlmanb. 1948American actress
- Brian Tyree Henryb. 1982American actor
- Patrick Leahyb. 1940American lawyer and politician
- William Danielsb. 1927American actor
- Alejandro Amenábarb. 1972Chilean-Spanish director and screenwriter
Birth dates from Wikidata; names link to Wikipedia.
This page covers March 31 in any year. For one year in particular — the weekday, and which moveable observances landed on it — see March 31, 2027.
Today Celebrates tracks daily national, international and world observances all year.