Wikipedia:Selected anniversaries/August 22
- 1485 - The Battle of Bosworth Field decisively ended the Wars of the Roses.
- 1851 - The yacht America won the first America's Cup near the Isle of Wight, England.
- 1864 - The Red Cross movement led by Henry Dunant officially began when twelve European nations signed the First Geneva Convention.
- 1910 - Korea was annexed by Japan with the signing of the Korea-Japan Annexation Treaty.
- 1989 - Nolan Ryan struck out Rickey Henderson, becoming the first pitcher in Major League Baseball to record 5000 strikeouts.