Years: 1201 1202 1203 - 1204 - 1205 1206 1207

Decades: 1170s 1180s 1190s - 1200s - 1210s 1220s 1230s

Centuries: 12th century - 13th century - 14th century

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.

Births

• Haakon IV, King of Norway
• Heinrich Raspe, Landgraf of Thuringia

Deaths

• February - Byzantine emperor Isaac II Angelus
• 1 April - Eleanor of Aquitaine
• Maimonides, Jewish philosopher
• Minamoto no Yoriie, second shogun of the Kamakura Shogunate of Japan
• Amalric of Bena, French theologian

Heads of states

• France - Philippe II, Auguste King of France (reigned from 1180 to 1223)