Question: what were the results of the fourth crusade
Answer: Fourth Crusade Part of the Crusades Conquest of Constantinople by the Crusaders in 1204 Date 1202 -- 1204 Location Balkans Result Crusader victory Zara and Constantinople sacked Solidification of the schism between the Latin and Greek churches Byzantine Empire irrevocably weakened Outbreak of the Nicaean - Latin wars and the Bulgarian - Latin wars Territorial changes Venetian authority asserted over Zara Foundation of several Latin crusader states in the Balkans Partitioning of the Byzantine Empire into rump states centred in Nicaea , Trebizond and Epirus Belligerents Crusaders : Republic of Venice Holy Roman Empire Montferrat Hainaut Halberstadt Pairis Abbey Kingdom of France Champagne Blois Burgundy Flanders Saint - Pol Île - de-France Amiens Eastern Christian opponents : Byzantine Empire Latin Christian opponents : Kingdom of Hungary Kingdom of Croatia Commanders and leaders Enrico Dandolo Boniface I of