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Pope Innocent III proclaims the launch of the Fourth Crusade.
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a fleet of 200 ships set sail from the lagoon of Venice
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Christians on the Fourth Crusade arrive at Venice
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Crusaders capture Zara after 5 days of fighting
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Crusaders launch on the Christian city of constantinople
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Albert, a bishop of Buxtehude, gets official approval from Pope Innocent III for his crusade in the Baltic region.
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Nobody could have treated this ancient civilization worse. they burned down part of it and slaughter it's inhabitants
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Baldwin of Flanders becomes the first latin emperor of Constantinople and the Byzantine empire.
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crowned Emperor of the Latin Empire, formerly the Byzantine Empire, after the death of Baldwin I.
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Is leader of the Fourth Crusade and founder the Kingdom of Thessalonica, is ambushed and killed by Kaloyan, Tsar of Bulgaria. which ends the 4th crusade.