Timeline of Significant Events By zulfikar 1095 Pope Urban II calls for the First Crusade. Period: 1096 to 1099 First Crusade takes place, capturing Jerusalem. Period: 1147 to 1149 Second Crusade launched in response to the fall of the County of Edessa. Period: 1189 to 1192 Third Crusade led by Richard the Lionheart against Saladin. Period: 1202 to 1203 Fourth Crusade results in the sacking of Constantinople. Period: 1217 to 1221 Fifth Crusade targets Egypt but faces failure. Period: 1248 to 1254 Sixth Crusade led by Louis IX of France. 1270 1270: Eighth Crusade, focusing on Tunis, ends with the death of Louis IX.