1203 in history

1203 events chronologically

Jul 17 The Fourth Crusade captures Constantinople by assault. The Byzantine emperor Alexios III Angelos flees from his capital into exile
Aug 1 Isaac II Angelos, restored Eastern Roman Emperor, declares his son Alexios IV Angelos co-emperor after pressure from the forces of the Fourth Crusade

Born in 1203

Nov 4 Dirk VII Count of Holland Count of Holland from 1190 to 1203. He was the elder son of Floris III and Ada of Huntingdon

Died in 1203

Apr 3 Arthur I Duke of Brittany 4th Earl of Richmond and Duke of Brittany between 1196 and 1202. He was the posthumous son of Geoffrey II, Duke of Brittany and Constance, Duchess of Brittany. Geoffrey was a son of Henry II of England, younger than Richard I but older than John. In 1190 Arthur was designated heir to the throne of England and its French territory by his uncle, Richard I, the intent being that Arthur would succeed Richard in preference to Richard's younger brother John. Nothing is recorded of Arthur after his incarceration in Rouen Castle in 1203, and his precise fate is unknown