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 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…
April 23 in History 215 BC – A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene. 599 – Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in southern Mexico, defeating queen Yohl Ik’nal and sacking the city. 711 – Dagobert III succeeds his father King Childebert III as King of the Franks.…
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…
April 7 in History 451 – Attila the Hun sacks the town of Metz and attacks other cities in Gaul. 529 – First draft of the Corpus Juris Civilis (a fundamental work in jurisprudence) is issued by Eastern Roman Emperor Justinian I. 611 – Maya king Uneh Chan of Calakmul sacks rival city-state Palenque in southern Mexico. 1141 – Empress Matilda became…
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 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…
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 8 in History 1010 – Ferdowsi completes his epic poem Shahnameh. 1126 – Following the death of his mother Urraca, Alfonso VII is proclaimed king of Castile and León. 1262 – Battle of Hausbergen between bourgeois militias and the army of the bishop of Strasbourg. 1576 – Spanish explorer Diego García de…
February 29, also known as leap day or leap year day, is a date added to most years that are divisible by 4, such as 2016, 2020, and 2024. A leap day is added in various solar calendars (calendars based on the Earth’s revolution around the Sun), including the Gregorian calendar standard in…