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…
January 31 in History 314 – Pope Sylvester I is consecrated, as a successor to the late Pope Miltiades. 1208 – The Battle of Lena takes place between King Sverker II of Sweden and his rival, Prince Eric, whose victory puts him on the throne…
January 30 in History 1018 – Poland and the Holy Roman Empire conclude the Peace of Bautzen. 1287 – King Wareru founds the Hanthawaddy Kingdom, and proclaims independence from the Pagan Kingdom. 1607 – An estimated 200 square miles (51,800 ha) along the coasts of the Bristol Channel and Severn Estuary in England are destroyed by massive…
January 19 in History 379 – Emperor Gratian elevates Flavius Theodosius at Sirmium to Augustus, and gives him authority over all the eastern provinces of the Roman Empire. 649 – Conquest of Kucha: The forces of Kucha surrender after a forty-day siege led by Tang dynasty general Ashina She’er, establishing Tang control over the northern Tarim…
January 10 in History 49 BC – Julius Caesar crosses the Rubicon, signalling the start of civil war. AD 9 – The Western Han dynasty ends when Wang Mang claims that the divine Mandate of Heaven called for the end of the dynasty and the beginning of his own, the Xin dynasty. AD…