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  Start: April 1096
 End: October 1099 The First Crusade, or the "People's Crusade", was the only sucessful crusade for the Christians. The Christians conquered the Holy Land.
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  Start: March 1145
 End: April 1149 Fifty years after the Muslims conquered Jerusalem, or the Holy Land, the Christian crusaders again tried to recapture Jerusalem. The Christians were unsuccessful.
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  Start: May 1189
 End: September 1192 The Christian crusaders were again unsuccessful in conquering the Holy Land.
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  Start: November 1202
 End: May 1204 The Christian crusaders were again unsuccessful in capturing Jerusalem. The crusaders attacked Constantinople, burning and destroying it.
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  Start: May 1212
 End: September 1212 The crusaders tried to "bring back innoccence and peace" by recruiting children to try to capture the Holy Land, or Jerusalem.
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  Start: (Unsure about month) 1217
 End: August 1221 The crusaders unsuccessfully tried to establish a secure base in Eqypt.
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  Start: June 1228
 End: August 1229 The crusaders were not successful in recapturing Jerusalem.
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  Start: August 1248
 End: (Unsure of month) 1254 The crusaders tried to recapture Jerusalem and capture a base in Egypt. They were unsuccessful at both.
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  Start: June 1270
 End: August 1291 The crusaders tried to convert the people living near the bay of Tunis (in Africa) to Christianity. They also tried to recapture Jerusalem. They were unsuccessful.
