→Late Byzantine era (843-1453)
*1098 Crusaders capture Antioch.
*1099 Crusaders capture Jerusalem.
*1144 Bernard of Clairvaux calls for a Second Crusade to rescue the besieged Latin kingdom of Jerusalem, and Louis VII of France and Konrad III of Germany join the Crusaders, but they are defeated by the Muslims.
*1180 Last formal, canonical acceptance of Latins to communion at an Eastern altar in Antioch.
*1187 Saladdin retakes Jerusalem.