For 10 points, what medieval military campaigns saw Christian knights try to conquer the Holy Land?
During the seventh of these events, King Louis IX of France was captured in the Nile Delta. The fourth one was diverted to Constantinople with the help of the Doge of Venice. At the Council of Clermont ("Claremont"), Pope Urban II called for the first one, which recaptured Jerusalem in 1099. For 10 points, what medieval military campaigns saw Christian knights try to conquer the Holy Land?
During the seventh of these events, King Louis IX of France was captured in the Nile Delta.
{Crusades}