Every yearSeptember 18
Everything September 18 celebrates
7 national, international, and world observances are on the calendar for September 18 every year, and 2 more land on it in some years.
| # | Observance | Category | Actions |
|---|---|---|---|
| 01 | National Cheeseburger DayLead | Food | |
| 02 | Air Force Birthday | Celebration | |
| 03 | National POW/MIA Recognition Day | Health | |
| 04 | National Tradesmen Day | Celebration | |
| 05 | National HIV/AIDS and Aging Awareness Day | Health | |
| 06 | World Water Monitoring Day | Celebration | |
| 07 | World Bamboo Day | Nature |
These are set by a rule rather than a fixed date, so they only land on September 18 in some years.
Oktoberfest (starts in Germany) — 2027 and 2032
Rosh Hashanah — 2031
Born on September 18
Historic figures
- Samuel Johnson1709–1784English lexicographer and poet
- Greta Garbo1905–1990Swedish-American actress
- Pope Gregory XVI1765–1846Head of the Catholic Church from 1831 to 1846
- James Gandolfini1961–2013American actor and producer
- Léon Foucault1819–1868French physicist and academic
- Edwin McMillan1907–1991American physicist and chemist, Nobel Prize laureate
- Adrien-Marie Legendre1752–1833French mathematician and theorist
- Christian VIII1786–1848King of Denmark from 1839 to 1848
- Uzeyir Hajibeyov1885–1948Azerbaijani composer, conductor, and playwright
- Jorge Sampaio1939–2021Portuguese lawyer and politician, 18th President of Portugal
Celebrities & public figures
- Ronaldob. 1976Brazilian footballer
- Lance Armstrongb. 1971American cyclist
- Anna Netrebkob. 1971Russian-Austrian soprano and actress
- James Marsdenb. 1973American actor
- Jason Sudeikisb. 1975American actor and comedian
- Jada Pinkett Smithb. 1971American actress
- Christian Pulisicb. 1998American soccer player
- Steven Pinkerb. 1954Canadian-American psychologist
- Ben Carsonb. 1951American neurosurgeon
- Mark Shuttleworthb. 1973South African-English businessman
Birth dates from Wikidata; names link to Wikipedia.
This page covers September 18 in any year. For one year in particular — the weekday, and which moveable observances landed on it — see September 18, 2027.
Today Celebrates tracks daily national, international and world observances all year.