May 22 in History
192 – Dong Zhuo is assassinated by his adopted son Lü Bu.
760 – Fourteenth recorded perihelion passage of Halley's Comet.
853 – A Byzantine fleet sacks and destroys undefended Damietta in Egypt.
April 3 in History
686 – Maya king Yuknoom Yich'aak K'ahk' assumes the crown of Calakmul.
801 – King Louis the Pious captures Barcelona from the Moors after a siege of several months.
1043 – Edward the Confessor is crowned …
February 27 in History
380 – Edict of Thessalonica: Emperor Theodosius I and his co-emperors Gratian and Valentinian II declare their wish that all Roman citizens convert to Nicene Christianity.
425 – The University of…