600s | dp2=610s | dp1=620s | d=630s | dn1=640s | dn2=650s | dn3=660s }} Events By Place Byzantine Empire August 20 — Battle of Yarmuk: Khalid ibn al-Walid's victory against the Byzantine army results in the Byzantine Empire losing Roman Syria to the Muslim Arabs. Persian Empire Battle of al-Qādisiyyah: Muslim Arab victory against the Sassanid army. Europe Rothari marries Queen Gundeparga, and becomes king of the Lombards. Asia The city of Basra, Iraq's founded on a canal by Ca… (More on 636)