Important Historical Events of the year 1203, Year 1203 in History

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List of 1203 Major News Events in History, Most Important Historical Events in 1203

What happened in the year 1203?

Date	Event
July 17, 1203	The Fourth Crusade assaults Constantinople. The Byzantine emperor Alexios III Angelos flees from his capital into exile.
August 1, 1203	Isaac II Angelos, restored Byzantine Emperor, declares his son Alexios IV Angelos co-emperor after pressure from the forces of the Fourth Crusade.