Islamic Timeline By MBurright18 1258 BCE Mongol army destroys Baghdad 1187 BCE Saladin re-takes Jerusalem 1099 BCE Christian army re-captures Jerusalem 1048 BCE Omar Khayyam is born 1025 BCE Ibn Sina completes his encyclopedia 972 BCE Al-Azhar University is founded 780 BCE al-Khwarizmi is born Period: 750 BCE to 1258 BCE Abbasid Caliphate builds Baghdad 732 BCE Charles defeats Islamic army 711 BCE Muslims enter Spain; gain control 692 BCE Dome of the Rock is completed 680 BCE Hussein is killed at Karbala Period: 661 BCE to 750 BCE Umayyad Caliphate takes control 656 BCE Ali ibn Talib becomes third Caliph 644 BCE Uthman standardizes the Quran 634 BCE Umar expands Islamic empire 632 BCE Abu Bakr becomes first Caliph 630 BCE Muhammad controls Mecca 622 BCE Hijrah starts Islamic calendar 610 BCE Quran revelations begin religion 570 BCE Muhammad is born in Mecca
