Crusade, 4th
(1198 -1204 ) Instituted, 1198 by Pope Innocent III and under the leadership of Simon de Montfort, Baldwin of Flanders, and Boniface of Montferrat, it culminated in the conquest of Constantinople , 1204 .
Fuente: New Catholic Dictionary
Crusade, 5th
(1217 -1219 ) Also inaugurated by Innocent III, it was brought to an end when Damietta was seized, 1219 .
Fuente: New Catholic Dictionary
Crusade, 6th
(1228 -1239 ) Emperor Frederick II, Thibaud of Champagne, and Richard of Cornwall made treaties with the Moslems by which Jerusalem was restored to the Christians , 1229 .
Fuente: New Catholic Dictionary
Crusade, 7th
(1249 -1252 ) Proclaimed by Innocent IV, and conducted by Saint Louis IX, King of France , this crusade was unsuccessful.
Fuente: New Catholic Dictionary
Crusade, 8th
(1267 -1270 ) Caused by the merciless destruction of the Sultan Bibars and having Saint Louis and Charles of Anjou as commanders, it terminated in the death of the former and the fall of the last Christian towns, 1291 .