Fourth Crusade

Pope Innocent III was the first pope since Urban II to be both eager and able to make the Crusade a major papal concern. In 1198 he called a new Crusade through legates and encyclical letters. In…

The diversion of the Fourth Crusade from the Holy Land to attack, capture, and pillage the Byzantine city of Constantinople in April 1204 divided and dissipated the efforts of the Christians to maintain the war against the Muslims. It is widely regarded as a shocking betrayal of principles out…

…negotiated between crusaders in the Fourth Crusade and Enrico Dandolo of Venice to provide transport at the cost of 85,000 marks. The crusaders’ failure to fulfill their monetary obligation was a major factor in the diversion of the crusade to Zara and Constantinople.