The Aphelion, the point in the year when the Earth is farthest from the Sun, occurs around this date. July 4 in History 362 BC – Battle of Mantinea: The Thebans, led by Epaminondas, defeated the Spartans. 414 – Emperor Theodosius II, age 13, yields power to his…
June 10 in History 671 – Emperor Tenji of Japan introduces a water clock (clepsydra) called Rokoku. The instrument, which measures time and indicates hours, is placed in the capital of Ōtsu. 1190 – Third Crusade: Frederick I Barbarossa drowns in the river Saleph while leading an army to Jerusalem. 1329 – The Battle…
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.…
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…
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…
January 22 in History 613 – Eight-month-old Constantine is crowned as co-emperor (Caesar) by his father Heraclius at Constantinople. 871 – Battle of Basing: The West Saxons led by King Æthelred I are defeated by the Danelaw Vikings at Basing. 1506 – The first contingent of 150 Swiss Guards arrives at the Vatican. 1517 – The Ottoman Empire under Selim I defeats the Mamluk Sultanate and captures…
January 16 in History 27 BCE – Gaius Julius Caesar Octavianus is granted the title Augustus by the Roman Senate, marking the beginning of the Roman Empire. 378 – General Siyaj K’ak’ conquers Tikal, enlarging the domain of King Spearthrower Owl of Teotihuacán. 550 – Gothic War: The Ostrogoths, under King Totila, conquer Rome after a long siege,…
January 8 in History 307 – Jin Huaidi becomes emperor of China in succession to his father, Jin Huidi, despite a challenge from his uncle, Sima Ying 871 – Alfred the Great leads a West Saxon army to repel an invasion by Danelaw Vikings. 1297 – François Grimaldi, disguised as a monk, leads his men to…
January 4 in History 46 BC – Julius Caesar fights Titus Labienus in the Battle of Ruspina. 871 – Battle of Reading: Æthelred of Wessex and his brother Alfred are defeated by a Danish invasion army. 1649 – English Civil War: The Rump Parliament votes to put Charles I on trial. 1717 – The Netherlands, Great Britain, and…