Every yearAugust 15
Everything August 15 celebrates
9 national, international, and world observances are on the calendar for August 15 every year, and 4 more land on it in some years.
| # | Observance | Category | Actions |
|---|---|---|---|
| 01 | Assumption of MaryReligious | Community | |
| 02 | I Love Cowboys and Cowgirls Day | Celebration | |
| 03 | National Back To School Prep Day | Kids & Family | |
| 04 | National Best Friends Day | Celebration | |
| 05 | National Check the Chip Day | Dogs |
| 06 | National Failures Day | Celebration | |
| 07 | National Leathercraft Day | Celebration | |
| 08 | National Lemon Meringue Pie Day | Food | |
| 09 | National Relaxation Day | Health |
These are set by a rule rather than a fixed date, so they only land on August 15 in some years.
Break The Monotony Day — 2026
International Geocaching Day — 2026
International Homeless Animals' Day — 2026
National Medical Dosimetrist Day — 2029 and 2035
Born on August 15
Historic figures
- Napoleon1769–1821French general and emperor
- Walter Scott1771–1832Scottish novelist, playwright, and poet
- Louis de Broglie1892–1987French physicist and academic, Nobel Prize laureate
- Sri Aurobindo1872–1950Indian guru, poet, and philosopher
- Gerty Cori1896–1957Czech-American biochemist and physiologist, Nobel Prize laureate
- Anthony of Padua1195–1231Portuguese priest and saint
- Julia Child1912–2004American chef and author
- Stieg Larsson1954–2004Swedish journalist and author
- Khaleda Zia1945–2025Bangladeshi politician, Prime Minister of Bangladesh
- Thomas De Quincey1785–1859English journalist and author
Celebrities & public figures
- Jennifer Lawrenceb. 1990American actress and producer
- Ben Affleckb. 1972American actor and filmmaker
- Anne, Princess Royalb. 1950Princess Royal of the United Kingdom
- Melinda French Gatesb. 1964American businesswoman and philanthropist
- Alejandro González Iñárritub. 1963Mexican filmmaker
- Joe Jonasb. 1989American singer
- Debra Messingb. 1968American actress
- Natasha Henstridgeb. 1974Canadian model and actress
- Alex Oxlade-Chamberlainb. 1993English footballer
- Anthony Andersonb. 1970American comedian
Birth dates from Wikidata; names link to Wikipedia.
This page covers August 15 in any year. For one year in particular — the weekday, and which moveable observances landed on it — see August 15, 2027.
Today Celebrates tracks daily national, international and world observances all year.