第6回十字軍
Godfrey of Bouillon, the first ruler of the Kingdom of Jerusalem, refused the title of king choosing instead the title , that is Advocate or Defender of the Church of the Holy Sepulchre. In 1100 Baldwin I, Godfrey's successor, was the first ruler crowned as king. The city of Jerusalem was lost in 1187, but the Kingdom of Jerusalem survived, moving its capital to Acre in 1191. The city of Jerusalem was re-captured in the Sixth Crusade, during 1229–39 and 1241–44.