April 21 in History 753 BC – Romulus founds Rome (traditional date). 43 BC – Battle of Mutina: Mark Antony is again defeated in battle by Aulus Hirtius, who is killed. Antony fails to capture Mutina and Decimus Brutus is murdered shortly after. 900 – The Laguna Copperplate Inscription (the earliest known written document found in what…
April 12 in History 240 – Shapur I becomes co-emperor of the Sasanian Empire with his father Ardashir I. 467 – Anthemius is elevated to Emperor of the Western Roman Empire. 627 – King Edwin of Northumbria is converted to Christianity by Paulinus, bishop of York. 1012 – Duke Oldřich of Bohemia deposes and blinds his brother Jaromír who flees…
On the Roman calendar, this was known as the day before the nones of April (Latin: Prid. Non. Apr.). April 4 in History 503 BC – Roman consul Agrippa Menenius Lanatus celebrates a triumph for a military victory over the Sabines. 1147 – Moscow is mentioned for the first time in the historical record, when…
March 30 in History 598 – Balkan Campaign: The Avars lift the siege at the Byzantine stronghold of Tomis. Their leader Bayan I retreats north of the Danube River after the Avaro-Slavic hordes are decimated by the plague. 1282 – The people of Sicily rebel against the Angevin king Charles I, in what becomes known as the Sicilian Vespers. 1296 – Edward I sacks Berwick-upon-Tweed, during armed…
March 25 in History 708 – Pope Constantine succeeds Pope Sisinnius as the 88th pope. 717 – Theodosius III resigns the throne to the Byzantine Empire to enter the clergy. 919 – Romanos Lekapenos seizes the Boukoleon Palace in Constantinople and becomes regent of the Byzantine emperor Constantine VII. 1000 – Fatimid caliph al-Hakim bi-Amr Allah assassinates the eunuch chief minister Barjawan and assumes control of the government.…
March 4 in History AD 51 – Nero, later to become Roman emperor, is given the title princeps iuventutis (head of the youth). 306 – Martyrdom of Saint Adrian of Nicomedia. 852 – Croatian Knez Trpimir I issues a statute, a document with the first known written mention of the Croats name in Croatian sources. 938 –…
February 23 in History 303 – Roman emperor Diocletian orders the destruction of the Christian church in Nicomedia, beginning eight years of Diocletianic Persecution. 532 – Byzantine emperor Justinian I orders the building of a new Orthodox Christian basilica in Constantinople – the Hagia Sophia. 1455 – Traditional date for the publication of the Gutenberg Bible, the first Western book printed…
February 19 in History 197 – Emperor Septimius Severus defeats usurper Clodius Albinus in the Battle of Lugdunum, the bloodiest battle between Roman armies. 356 – Emperor Constantius II issues a decree closing all pagan temples in the Roman Empire. 1594 – Having already been elected to the throne of the Polish–Lithuanian Commonwealth in 1587, Sigismund III of…
February 10 in History 1258 – Mongol invasions: Baghdad falls to the Mongols, bringing the Islamic Golden Age to an end. 1306 – In front of the high altar of Greyfriars Church in Dumfries, Robert the Bruce murders John Comyn sparking the revolution in the Wars of Scottish Independence. 1355 – The St Scholastica Day…
February 9 in History 474 – Zeno is crowned as co-emperor of the Byzantine Empire. 1003 – Boleslaus III is restored to authority with armed support from Bolesław I the Brave of Poland. 1555 – Bishop of Gloucester John Hooper is burned at the stake. 1621 – Gregory XV becomes Pope, the last Pope elected by acclamation. 1654 – The Capture of Fort Rocher takes…