The Crusades was a series of Holy Wars attempting to retake formerly Catholic Areas from the Muslims in Medieval Europe.
Declared to retake Jerusalem from the Beydom of Jerusalem. Bressal Ui Mordha managed to briefly take Jerusalem before it was lost to a Muslim counter attack. Another Muslim counter attack retook Alexandria.
Declared to retake Jerusalem from the Beydom of Jerusalem. Ended with Alexandria becoming a part of the Kingdom of Tunis, the recreation of the Kingdom of Egypt, and the creation of the Kingdom of Jerusalem.