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 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…
May 13 in History 1373 – Julian of Norwich has visions of Jesus while suffering from a life-threatening illness, visions which are later described and interpreted in her book Revelations of Divine Love. 1515 – Mary Tudor, Queen of France, and Charles Brandon, 1st Duke of Suffolk, are officially…
This day marks the approximate midpoint of spring in the Northern Hemisphere and of autumn in the Southern Hemisphere (starting the season at the March equinox). May 5 in History 553 – The Second Council of Constantinople begins 1215 – Rebel barons renounce…
April 24 in History 1479 BC – Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th dynasty). 1183 BC – Traditional reckoning of the Fall of Troy marking the end of the legendary Trojan War, given by…
April 22 in History 238 – Year of the Six Emperors: The Roman Senate outlaws emperor Maximinus Thrax for his bloodthirsty proscriptions in Rome and nominates two of its members, Pupienus and Balbinus, to the throne. 1500 – Portuguese navigator Pedro Álvares Cabral lands in Brazil. 1519 – Spanish conquistador Hernán Cortés establishes a settlement at Veracruz, Mexico. 1529 –…
It is the last day of the first quarter of the year. March 31 in History 307 – After divorcing his wife Minervina, Constantine marries Fausta, daughter of the retired Roman Emperor Maximian. 1146 – Bernard of Clairvaux preaches his famous sermon in a field at Vézelay, urging the necessity of…
March 23 in History 1400 – The Trần dynasty of Vietnam is deposed, after one hundred and seventy-five years of rule, by Hồ Quý Ly, a court official. 1540 – Waltham Abbey is surrendered to King Henry VIII of England; the last religious community to be closed during the Dissolution of…
March 17 in History 45 BC – In his last victory, Julius Caesar defeats the Pompeian forces of Titus Labienus and Pompey the Younger in the Battle of Munda. 180 – Commodus becomes sole emperor of the Roman Empire at the age of eighteen, following the death of his father, Marcus Aurelius. 455 – Petronius Maximus becomes, with support of the Roman…
March 1 in History 509 BC – Publius Valerius Publicola celebrates the first triumph of the Roman Republic after his victory over the deposed king Lucius Tarquinius Superbus at the Battle of Silva Arsia. 86 BC – Lucius Cornelius Sulla, at the head of a Roman Republic army, enters Athens, removing the tyrant Aristion who was supported by…