Every yearSeptember 15
Everything September 15 celebrates
13 national, international, and world observances are on the calendar for September 15 every year, and 1 more lands on it in some years.
| # | Observance | Category | Actions |
|---|---|---|---|
| 01 | National IT Professionals DayLead | Tech | |
| 02 | National Double Cheeseburger Day | Food | |
| 03 | National Cheese Toast Day | Food | |
| 04 | National Online Learning Day | Tech | |
| 05 | National Linguine Day | Food |
| 06 | National Neonatal Nurses Day | Health | |
| 07 | National Tackle Kids Cancer Day | Kids & Family | |
| 08 | National Creme De Menthe Day | Celebration | |
| 09 | National Felt Hat Day | Celebration | |
| 10 | National Voter Registration Day | Celebration | |
| 11 | International Dot Day | Tech | |
| 12 | World Afro Day | Celebration | |
| 13 | International Day of Democracy | Celebration |
These are set by a rule rather than a fixed date, so they only land on September 15 in some years.
Yom Kippur — 2032
Born on September 15
Historic figures
- Marco Polo1254–1324Italian merchant and explorer
- Agatha Christie1890–1976English crime novelist, short story writer, and playwright
- William Howard Taft1857–1930American lawyer, jurist, and politician
- François de La Rochefoucauld1613–1680French soldier and author
- James Fenimore Cooper1789–1851American novelist, short story writer, and historian
- Murray Gell-Mann1929–2019American physicist and academic, Nobel Prize laureate
- Porfirio Díaz1830–1915Mexican general and politician, 29th President of Mexico
- Jean Renoir1894–1979French actor, director, producer, and screenwriter
- Umberto II of Italy1904–1983King of Italy in 1946
- Robert Lucas Jr.1937–2023American economist and academic, Nobel Prize laureate
Celebrities & public figures
- Tom Hardyb. 1977English actor
- Prince Harry, Duke of Sussexb. 1984Duke of Sussex
- Tommy Lee Jonesb. 1946American actor
- Oliver Stoneb. 1946American director
- Chimamanda Ngozi Adichieb. 1977Nigerian author
- Robert Ficob. 1964Slovak academic and politician
- David Rayab. 1995Spanish footballer
- Queen Letizia of Spainb. 1972Queen Consort of King Felipe VI of Spain
- Josh Charlesb. 1971American actor and director
- Eiður Guðjohnsenb. 1978Icelandic footballer
Birth dates from Wikidata; names link to Wikipedia.
This page covers September 15 in any year. For one year in particular — the weekday, and which moveable observances landed on it — see September 15, 2027.
Today Celebrates tracks daily national, international and world observances all year.