1921
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 19th century – 20th century – 21st century |
| Decades: | 1890s 1900s 1910s – 1920s – 1930s 1940s 1950s |
| Years: | 1918 1919 1920 – 1921 – 1922 1923 1924 |
Events
- Albert Einstein receives the Nobel Prize in Physics.
- Irish Civil War (1921-1924)
Births
- January 17 – Antonio Prohias (d. 1998)
- May 3 – Sugar Ray Robinson, American boxer (d. 1989)
- April 25 – Karel Appel, Belgian artist (d. 2006)
- July 6 – Nancy Reagan, American actress and First Lady of the United States (d. 2016)
Deaths
Sports
- Kentucky Derby winner, Behave Yourself