May 21 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 21 in History 293 – Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy. 878 – Syracuse, Sicily, is captured by the Muslim Aghlabids after a nine-month siege. 879 – Pope John VIII gives blessings to Branimir of Croatia and to the Croatian people, considered to be international recognition…

May 19 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 19 in History 639 – Ashina Jiesheshuai and his tribesmen assaulted Emperor Taizong at Jiucheng Palace. 715 – Pope Gregory II is elected. 1051 – Henry I of France marries the Russian princess, Anne of Kiev. 1445 – John II of Castile defeats the Infantes of Aragon at the First Battle of Olmedo. 1499 – Catherine of Aragon is married…

May 12 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 12 in History 254 – Pope Stephen I succeeds Pope Lucius I, becoming the 23rd pope of the Catholic Church. 907 – Zhu Wen forces Emperor Ai into abdicating, ending the Tang dynasty after nearly three hundred years of rule. 1191 – Richard I of England marries Berengaria of Navarre in Cyprus; she is crowned Queen consort of England the same day. 1328 – Antipope…

May 8 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 8 in History 453 BC – Spring and Autumn period: The house of Zhao defeats the house of Zhi, ending the Battle of Jinyang, a military conflict between the elite families of the State of Jin. 413 – Emperor Honorius signs an edict providing tax relief for the Italian provinces Tuscia, Campania, Picenum, Samnium, Apulia, Lucania and Calabria,…