To many people the crusades were the First Crusade. This work states that the first armed pilgrimage to the Holy Land was the only Crusade that really succeeded... » 

To many people the crusades were the First Crusade. This work states that the first armed pilgrimage to the Holy Land was the only Crusade that really succeeded. It resulted in the establishment of four Crusader States in the Middle East and its repercussions can still be felt today. «