22 notable events from 1812.
- Assassination of Spencer Perceval
May 11, 1812 · United Kingdom
- Fire of Moscow (1812)
Sep 14, 1812–Sep 18, 1812 · Russian Federation
- Siege of Badajoz (1812)
Mar 16, 1812–Apr 6, 1812 · Spain
- 1812 Caracas earthquake
Mar 26, 1812 · Venezuela
- Siege of Ciudad Rodrigo (1812)
Jan 7, 1812–Jan 20, 1812 · Spain
- Malet coup of 1812
Oct 23, 1812 · France
- 1812 San Juan Capistrano earthquake
Dec 8, 1812 · United States
- Revolution of 8 October 1812
Oct 8, 1812 · Argentina
- First Battle of Sacket's Harbor
Jul 19, 1812 · United States
- Aponte conspiracy
1812–Apr 1812 · Cuba
- 1812 Baltimore riots
1812 · United States
- 1812 Ventura earthquake
Dec 21, 1812 · United States
- Raid on Gananoque
Sep 21, 1812 · Canada
- Copus massacre
Sep 15, 1812 · United States
- Siege of the Salamanca forts
Jun 17, 1812–Jun 27, 1812 · Spain
- Huánuco rebellion
Mar 21, 1812 · Peru
- 1812 Mendoza and Mojarra conspiracy
Aug 1, 1812 · Dominican Republic
- Zimmer massacre
Sep 1812 · United States
- Haginomori Incident
1812 · —
- Beaujonc mine disaster
Feb 28, 1812 · Belgium
- Assault and looting of San Nicolás
Oct 9, 1812–Oct 10, 1812 · Argentina
- Riot of 1812
Mar 2, 1812 · France