Kingdom of Jerusalem - Arms and Armour. The kingdom was ethnically, religiously, and linguistically diverse, although the crusaders themselves and their descendants were an elite Catholic minority. They imported many customs and institutions from their homelands in Western Europe, and there were close familial and political connections with the West throughout the kingdom's existence.
The Siege of Jerusalem took place from June 7 to July 15, 1099 during the First Crusade. The climax of the First Crusade, the successful siege saw the Crusaders seize the city from the Fatimid Caliphate and laid the foundations for the Kingdom of Jerusalem.