19 notable events from 1811.
- 1811–1812 New Madrid earthquakes
Dec 16, 1811 · United States
- 1811 German Coast uprising
Jan 8, 1811–Jan 10, 1811 · United States
- Ratcliff Highway murders
Dec 19, 1811 · United Kingdom
- Citadel massacre
Mar 1, 1811 · Egypt
- Golovnin Incident
Jan 1, 1811–Oct 6, 1813 · Japan
- Siege of Tarragona (1811)
May 5, 1811–Jun 29, 1811 · Spain
- Little Belt affair
May 16, 1811 · United States
- Richmond Theatre fire
Dec 26, 1811 · United States
- Blockade of Almeida
Apr 7, 1811–May 10, 1811 · Spain
- Battle of Pombal
Mar 11, 1811 · Portugal
- Battle of Woody Point
Jun 15, 1811–Jun 16, 1811 · Canada
- Hong Kyŏngnae's Rebellion
Dec 1811–Apr 1812 · —
- Hester Rebecca Nepping
Aug 1, 1811–Nov 1, 1811 · Netherlands
- Figueroa mutiny
Apr 1, 1811 · Chile
- 1811 Tacna rebellion
Jun 1811 · Peru
- Capture of Yanbu (1811)
Oct 1, 1811 · Saudi Arabia
- Cambodian conflict (1812–1813)
1811 · Cambodia
- Great Fire of Podil
from Jul 9, 1811 · Ukraine
- Janissary revolt in Tunisia
Aug 30, 1811 · Tunisia