A First Crusade army led by Bohemond of Taranto wins a major battle against the Seljuq emir Ridwan of Aleppo during the siege of Antioch.

The First Crusade (1096–1099) was the first of a series of religious wars, or Crusades, which were initiated, supported and at times directed by the Latin Church in the Middle Ages. Their aim was to return the Holy Land—which had been conquered by the Rashidun Caliphate in the 7th century—to…