EventsBy PlaceByzantine Empire The Byzantine Emperor, Justinian II Rhinotmetus, regains his throne.Europe Franconian Duke Hetan II completes the circular Marienkirche in the fortress of Marienberg near Würzburg.Asia Ethiopian (Axumite) raiders occupy the port of Jeddah in modern-day Saudi Arabia.By TopicReligion The Umayyad Mosque at Damascus is completed.Births April 20 — Jafar