King Louis IX of France dies from a plague in Tunis while leading the Eight Crusade which had as a goal the conquest of Tunis, then proceed to Egypt and march to the Holy Land. However, upon arrival in Tunisia it became clear that it was not going to be possible to conquer the Bey of Tunis.
The city was well prepared to withstand an invasion, with a newly repaired city wall and warriors from Morocco and the Crusaders were suffering for a lack of fresh water. More