Every yearSeptember 21
Everything September 21 celebrates
7 national, international, and world observances are on the calendar for September 21 every year, and 3 more land on it in some years.
| # | Observance | Category | Actions |
|---|---|---|---|
| 01 | International Day of PeaceLead | Community | |
| 02 | National Chai Day | Music | |
| 03 | National New York Day | Celebration | |
| 04 | National Pecan Cookie Day | Food | |
| 05 | Earth, Wind & Fire Day | Celebration | |
| 06 | World Gratitude Day | Community | |
| 07 | World Alzheimer's Day | Health |
These are set by a rule rather than a fixed date, so they only land on September 21 in some years.
Yom Kippur — 2026
Rosh Hashanah — 2028
Born on September 21
Historic figures
- H. G. Wells1866–1946English novelist, historian, and critic
- Shinzo Abe1954–2022Japanese lawyer and politician, 90th Prime Minister of Japan
- Kwame Nkrumah1909–1972Ghanaian educator and politician, 1st President of Ghana
- Leonard Cohen1934–2016Canadian singer-songwriter and poet
- Abdul Hamid II1842–191834th Sultan of the Ottoman Empire
- Heike Kamerlingh Onnes1853–1926Dutch physicist and academic, Nobel Prize laureate
- Girolamo Savonarola1452–1498Italian priest and philosopher
- Donald Glaser1926–2013American physicist and neurobiologist, Nobel Prize laureate
- Charles Nicolle1866–1936French-Tunisian microbiologist and academic, Nobel Prize laureate
- Aslan Maskhadov1951–2005Chechen general and politician
Celebrities & public figures
- Stephen Kingb. 1947American author and screenwriter
- Kareena Kapoorb. 1980Indian actress
- Bill Murrayb. 1950American actor
- Kevin Ruddb. 1957Australian politician and diplomat
- Liam Gallagherb. 1972English singer-songwriter
- Alexander Isakb. 1999Eritrean-Swedish professional footballer
- Faith Hillb. 1967American singer-songwriter
- Maggie Graceb. 1983American actress
- Luke Wilsonb. 1971American actor
- Jason Derulob. 1989American singer-songwriter
Birth dates from Wikidata; names link to Wikipedia.
This page covers September 21 in any year. For one year in particular — the weekday, and which moveable observances landed on it — see September 21, 2027.
Today Celebrates tracks daily national, international and world observances all year.