May 20 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 20 in History 325 – The First Council of Nicaea is formally opened, starting the first ecumenical council of the Christian Church. 491 – Empress Ariadne marries Anastasius I. The widowed Augusta is able to choose her successor for the Byzantine throne, after Zeno (late emperor) dies of dysentery. 685 – The Battle of Dun Nechtain is…

April 28 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 28 in history 224 – The Battle of Hormozdgan is fought. Ardashir I defeats and kills Artabanus V effectively ending the Parthian Empire. 357 – Emperor Constantius II enters Rome for the first time to celebrate his victory over Magnus Magnentius. 1192 – Assassination of Conrad of Montferrat (Conrad I), King of Jerusalem, in Tyre, two days after…

April 16 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 16 in History AD 73 – Masada, a Jewish fortress, falls to the Romans after several months of siege, ending the First Jewish–Roman War. 1346 – Stefan Dušan, “the Mighty”, is crowned Emperor of the Serbs at Skopje, his empire occupying much of the Balkans. 1520 – The Revolt of the Comuneros begins in Spain…

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

April 8 in History 217 – Roman Emperor Caracalla is assassinated. He is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus. 632 – King Charibert II is assassinated at Blaye (Gironde), along with his infant son Chilperic. 876 – The Battle of Dayr al-‘Aqul saves Baghdad from the Saffarids. 1093 – The new Winchester Cathedral is dedicated by Walkelin. 1139 – Roger II of…

March 22 – History, Events, Births, Deaths, Holidays and Observances On This Day

March 22 in History 106 – Start of the Bostran era, the calendar of the province of Arabia Petraea. 238 – Gordian I and his son Gordian II are proclaimed Roman emperors. 871 – Æthelred of Wessex is defeated by a Danish invasion army at the Battle of Marton. 1508 – Ferdinand II of Aragon commissions Amerigo Vespucci chief navigator…

February 18 – History, Events, Births, Deaths, Holidays and Observances On This Day

February 18 in History 1229 – The Sixth Crusade: Frederick II, Holy Roman Emperor, signs a ten-year truce with al-Kamil, regaining Jerusalem, Nazareth, and Bethlehem with neither military engagements nor support from the papacy. 1268 – The Battle of Wesenberg is fought between the Livonian Order and Dovmont of Pskov. 1332 – Amda Seyon I, Emperor of Ethiopia begins his campaigns in the…

January 11 – History, Events, Births, Deaths, Holidays and Observances On This Day

January 11 in History 532 – Nika riots in Constantinople: A quarrel between supporters of different chariot teams—the Blues and the Greens—in the Hippodrome escalates into violence. 630 – Conquest of Mecca: The prophet Muhammad and his followers conquer the city, Quraysh surrender. 947 – Emperor Tai Zong of the Khitan-led Liao Dynasty invades the Later Jin, resulting in the destruction…