July 25 in History 306 – Constantine I is proclaimed Roman emperor by his troops. 315 – The Arch of Constantine is completed near the Colosseum in Rome to commemorate Constantine I’s victory over Maxentius at the Milvian Bridge. 677 – Climax of the Siege of Thessalonica by the Slavs in a three-day assault on the…
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 5 in History 823 – Lothair I is crowned King of Italy by Pope Paschal I. 919 – The second Fatimid invasion of Egypt begins, when the Fatimid heir-apparent, al-Qa’im bi-Amr Allah, sets out from Raqqada at the head of his army. 1081 – Alexios I Komnenos is crowned Byzantine emperor at Constantinople, bringing the Komnenian dynasty to full power.…
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…