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The Fourth Crusade officially begins.
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Alexius Angelus, who is the son of the Byzantine Emperor Isacc II, requested that the Crusaders attack Constantinople. He had offered the Christian forces 200,000 marks . The Christians needed these for transportation from the King. (MRP)
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The Crusaders were carried by boat to Bosphorus. (MRP)
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Albert, the Bishop of Buxtehude, got an official approval from Pope Innocent III to start a crusade in the Baltic Region. (MRP)
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Isaac II is re-imprissoned, and the government put in Alexius V Ducas as their leader. (MRP)
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After the soldiers of the Fourth Crusade hadn't gotten paid for about a month, they attacked Constantinople again. (MRP)
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The Crusaders captured Constantinople one day after the fighting began. This ended the Fourth Crusade. (MRP)
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Baldwin of Flanders becomes the first Latin ruler of Constantinople and the Byzantine Empire. (MRP)
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Amalric II, king of Jerusalem and Cyprus, dies. Hugh I, his son, gaines control of Cyprus, while Maria received control of the Muslim Jerusalem. (MRP)
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Henry of Flanders is crowned as Emperor of the Latin Empire. (MRP)
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Boniface of Montferrat is killed by the Tsar of Bulgaria. (MRP)
