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

May 9 in History 1009 – Lombard Revolt: Lombard forces led by Melus revolt in Bari against the Byzantine Catepanate of Italy. 1271 – Ninth Crusade, Edward I of England disembarks at Acre. 1386 – England and Portugal formally ratify their alliance with the signing of the Treaty of Windsor, making it the oldest diplomatic alliance in the world which…

May 2 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 2 in History 1194 – King Richard I of England gives Portsmouth its first Royal Charter 1230 – William de Braose is hanged by Prince Llywelyn the Great. 1335 – Otto the Merry, Duke of Austria, becomes Duke of Carinthia. 1536 – Anne Boleyn, Queen of England, is arrested and imprisoned on charges of adultery, incest, treason and witchcraft. 1559 – John…

May 1 – History, Events, Births, Deaths, Holidays and Observances On This Day

May 1 in History 475 BC – Roman consul Publius Valerius Poplicola celebrates a Roman triumph for his victory over Veii and the Sabines. 305 – Diocletian and Maximian retire from the office of Roman emperor. 524 – King Sigismund of Burgundy is executed at Orléans after an eight-year reign and is succeeded by his brother Godomar. 880 – The Nea Ekklesia is inaugurated in Constantinople, setting…

April 30 – History, Events, Births, Deaths, Holidays and Observances On This Day

April 30 in history 311 – The Diocletianic Persecution of Christians in the Roman Empire ends. 313 – Battle of Tzirallum: Emperor Licinius defeats Maximinus II and unifies the Eastern Roman Empire. 642 – Chindasuinth is proclaimed king by the Visigothic nobility and bishops. 1315 – Enguerrand de Marigny is hanged at the instigation of Charles, Count of Valois. 1492 – Spain…

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…

March 11- History, Events, Births, Deaths, Holidays and Observances On This Day

March 11 in History 222 – Alexander Severus becomes emperor of Rome, replacing his cousin, 18-year-old Elagabalus. The bodies of the assassinated emperor and his mother, Julia Soaemias, are dragged through the streets of the city and thrown into the Tiber. 1387 – Battle of Castagnaro: English condottiero Sir John Hawkwood leads Padova to victory…