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Pope Urban II calls for a crusade at the Council of Clermont- the starting point for the 1st Crusade
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Pope Urban II called for a war to regain Jerusalem
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European Crusaders firs capture Jerusalem
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Pope Eugene called for another Crusade of Jerusalem.
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Pope Gregory VIII called for another Crusade of Jerusalem.
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Pope Innocent III called for another Crusade of Jerusalem.
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A disastrous crusade aimed to peacefully convert Muslims by Children.
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Pope Innocent called for the final Crusade of Jerusalem.
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European Crusaders lose control of Jerusalem for the last time.