<Table> <Tr> <Th_colspan="2"> Fourth Crusade </Th> </Tr> <Tr> <Td_colspan="2"> Part of the Crusades </Td> </Tr> <Tr> <Td_colspan="2"> Conquest of Constantinople by the Crusaders in 1204 </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> 1202--1204 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Balkans </Td> </Tr> <Tr> <Th> Result </Th> <Td> <P> Crusader victory </P> <Ul> <Li> Zara and Constantinople sacked </Li> <Li> Solidification of the schism between the Latin and Greek churches </Li> <Li> Byzantine Empire irrevocably weakened </Li> <Li> Outbreak of the Nicaean - Latin wars and the Bulgarian - Latin wars </Li> </Ul> </Td> </Tr> <Tr> <Th> Territorial changes </Th> <Td> <Li> Venetian authority asserted over Zara </Li> <Li> Foundation of several Latin crusader states in the Balkans </Li> <Li> Partitioning of the Byzantine Empire into rump states centred in Nicaea, Trebizond and Epirus </Li> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> <P> Crusaders: </P> <Ul> <Li> Republic of Venice </Li> <Li> Holy Roman Empire <Ul> <Li> Montferrat </Li> <Li> Hainaut </Li> <Li> Halberstadt </Li> <Li> Pairis Abbey </Li> </Ul> </Li> <Li> Kingdom of France <Ul> <Li> Champagne </Li> <Li> Blois </Li> <Li> Burgundy </Li> <Li> Flanders </Li> <Li> Saint - Pol </Li> <Li> Île - de-France </Li> <Li> Amiens </Li> </Ul> </Li> </Ul> </Td> <Td> <P> Eastern Christian opponents: </P> <Ul> <Li> Byzantine Empire </Li> </Ul> <P> Latin Christian opponents: </P> <Ul> <Li> Kingdom of Hungary </Li> <Li> Kingdom of Croatia </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> <Ul> <Li> Enrico Dandolo </Li> <Li> Boniface I of Montferrat </Li> <Li> Theobald III of Champagne </Li> <Li> Balduin of Flanders </Li> <Li> Louis I of Blois </Li> <Li> Hugh IV of Saint - Pol </Li> <Li> Conrad of Halberstadt </Li> <Li> Martin of Pairis </Li> <Li> Alexios IV Angelos </Li> </Ul> </Td> <Td> <Ul> <Li> Alexios III Angelos </Li> <Li> Alexios V Doukas </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Strength </Th> </Tr> <Tr> <Td> <P> 4 - 5,000 knights 8,000 infantry 300 siege weapons </P> <P> 10,000 sailors and marines 60 war galleys 100 horse transports </P> 50 troop transports </Td> <Td> <P> 10,000 Byzantine infantry 5,000 Varangians </P> 20 war galleys </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Fourth Crusade </Th> </Tr>

What were the results of the fourth crusade