→Late Byzantine era (843-1453)
*1071 Turkish capture of Jerusalem.
*1073 Hildebrand becomes Pope [[Grgeory VII of Rome|Gregory VII]] and launches the "Gregorian" reforms (celibacy of the clergy, primacy of the papacy over the empire, right of the Pope to depose emperors).
*1088 Founding of monastery of St. [[Apostle John|John the Theologian]] on Patmos.
*1095 Launching of the First Crusade.