Wikipedia:Selected anniversaries/August 22
- 1485 - The Battle of Bosworth Field decisively ended the Wars of the Roses.
- 1851 - The first America's Cup was won by the yacht America.
- 1864 - Twelve European nations signed the First Geneva Convention, which marked the beginning of the Red Cross movement led by Henry Dunant.
- 1911 - The theft of the Mona Lisa was discovered.
- 1989 - Nolan Ryan struck out Rickey Henderson, becoming the first major league baseball pitcher to record 5000 strikeouts.