1204
| Years: 1201 1202 1203 - 1204 - 1205 1206 1207 | |
| Decades: 1170s 1180s 1190s - 1200s - 1210s 1220s 1230s | |
| Centuries: 12th century - 13th century - 14th century | |
| Contents |
Events
- February - Byzantine emperor Alexius IV is overthrown in a revolution, and Alexius V is proclaimed emperor.
- April 12 - The Fourth Crusade take Constantinople by storm, and pillage the city for three days. End of the Fourth Crusade.
- May 16 - Baldwin, Count of Flanders is crowned emperor of the Latin Empire a week after his election by the members of the Fourth Crusade.
- As a result of the fall of Constantinople and the creation of the Latin Empire, Bulgaria is forced to cede Macedonia to the new state.
- Theodore I Lascaris flees to Nicaea after the capture of Constantinople, and establishes the Empire of Nicaea; Byzantine successor states are also established in Epirus and Trebizond.
- Boniface of Montferrat, a leader of the Fourth Crusade, founds the Kingdom of Thessalonica.
- The writings of French theologian Amalric of Bena are condemned by the University of Paris and Pope Innocent III.
- Valdemar II, King of Denmark, is recognized as king in Norway.
- Angers and Normandy are recaptured from England by Philip II of France.
- The Cistercian convent of Port-Royal is established.
- The district of Cham becomes subject to Bavaria.
- Philip of Swabia becomes a subject of Hermann I of Thuringia.
- Beaulieu Abbey founded.
Births
Deaths
- February - Byzantine emperor Isaac II Angelus
- March 31 - Eleanor of Aquitaine, queen of France and England (b. 1121)
- December 13 - Maimonides, Jewish philosopher
- Minamoto no Yoriie, second shogun of the Kamakura Shogunate of Japan
- Amalric of Bena, French theologian
Heads of states
- England - John I King of England (reigned from 1199 to 1216)
- France - Philippe II, Auguste King of France (reigned from 1180 to 1223)
