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 25 in History 404 BC – Admiral Lysander and King Pausanias of Sparta blockade Athens and bring the Peloponnesian War to a successful conclusion. 775 – The Battle of Bagrevand puts an end to an Armenian rebellion against the Abbasid Caliphate. Muslim control over Transcaucasia is solidified and its Islamization begins, while several major…
April 18 in History 796 – King Æthelred I of Northumbria is murdered in Corbridge by a group led by his ealdormen, Ealdred and Wada. The patrician Osbald is crowned, but abdicates within 27 days. 1506 – The cornerstone of the current St. Peter’s Basilica is laid. 1518 – Bona Sforza is crowned as queen consort of Poland.…
April 10 in History 428 – Nestorius becomes the Patriarch of Constantinople. 837 – Halley’s Comet makes its closest approach to Earth at a distance equal to 0.0342 AU (5.1 million kilometres/3.2 million miles). 1407 – Deshin Shekpa, 5th Karmapa Lama visits the Ming dynasty capital at Nanjing. He is awarded the title “Great Treasure Prince of…
March 16 in History 934 – Meng Zhixiang declares himself emperor and establishes Later Shu as a new state independent of Later Tang. 1190 – Massacre of Jews at Clifford’s Tower, York. 1244 – Over 200 Cathars who refuse to recant are burned to death after the Fall of Montségur. 1322 – The Battle of Boroughbridge takes place…
In the Roman calendar, March 15 was known as the Ides of March. March 15 in History 474 BC – Roman consul Gnaeus Manlius Vulso celebrates an ovation for concluding the war against Veii and securing a forty years’ truce. 44 BC – Marcus Junius Brutus the Younger and his fellow conspirators, Gaius Cassius Longinus, Decimus…
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…
February 26 in History 747 BC – Epoch (origin) of Ptolemy’s Nabonassar Era. 364 – Valentinian I is proclaimed Roman emperor 1233 – Mongol–Jin War: The Mongols capture Kaifeng, the capital of the Jin dynasty, after besieging it for months. 1266 – Battle of Benevento: An army led by Charles, Count of Anjou, defeats a combined German and Sicilian force…
For superstitious reasons, when the Romans began to intercalate to bring their calendar into line with the solar year, they chose not to place their extra month of Mercedonius after February but within it. February 24 — known in the Roman calendar as “the sixth day before the…
February 13 in History 951 – Guo Wei, a court official, leads a military coup and declares himself emperor of the new Later Zhou. 962 – Emperor Otto I and Pope John XII co-sign the Diploma Ottonianum, recognizing John as ruler of Rome. 1322 – The central tower of Ely Cathedral falls on…