1203

Events

 * - enters, leading to the eventual unification of  and.
 * - Congress in, where officially declared his allegiance to the  and denounced the.
 * - Fleet of the enters
 * - Fourth Crusade captures by assault; the   flees from his capital into exile.
 * - Fourth Crusade elevates as, after the citizens of Constantinople proclaim as emperor  (Alexius IV's father).
 * becomes the guardian of, and is possibly responsible for his death.
 * becomes of the

Births

 * (died )

Deaths

 * , French poet and diplomat (born )
 * (born )

Heads of states

 * -  (reigned from  to )