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The forces of the First Crusade leaves from Constantinopl
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The crusader armies crossed over into Asia Minor during the first half of 1097.
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Joscelin II allied with the Ortoqids and marched out of Edessa with almost his entire army
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the second major crusade launched from Europe. The Second Crusade was started in response to the fall of the County of Edessa the previous year to the forces of Zengi
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divided into three "crusades": the First Swedish Crusade around 1155
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Europe responded in 1189 by launching the Third Crusade led by Richard the ... by internal disputes, was defeated at the Battle of Hattin on 4 July 1187
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Richard I and Saladin sign a peace treaty
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The Fourth Crusade (1202–04) was a Western European armed expedition originally intended to conquer Muslim-controlled Jerusalem by means of an invasion