Events
The fall of the Roman EmpireChristianity became the official religion of the Roman EmpireThe separation of the Roman Catholic and Eastern Orthodox churchesFounding of the muslim churchThe Seljuk Turks defeated the armies of the Byzantine EmperorAlexius I Comnenus ascended to the Byzantine throneSpeech at the Council of Clermont given by Pope Urban IICapture of JerusalemPeriods
The First Crusade
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