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 16 in History 363 – Emperor Julian marches back up the Tigris and burns his fleet of supply ships. During the withdrawal, Roman forces suffer several attacks from the Persians. 632 – Yazdegerd III ascends the throne as king (shah) of the Persian Empire. He becomes the last ruler…
June 3 in History 350 – The Roman usurper Nepotianus, of the Constantinian dynasty, proclaims himself Roman emperor, entering Rome at the head of a group of gladiators. 713 – The Byzantine emperor Philippicus is blinded, deposed and sent into exile by conspirators of the Opsikion army in Thrace. He is succeeded by Anastasios II, who begins the…
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 8 in History 217 – Roman Emperor Caracalla is assassinated. He is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus. 632 – King Charibert II is assassinated at Blaye (Gironde), along with his infant son Chilperic. 876 – The Battle of Dayr al-‘Aqul saves Baghdad from the Saffarids. 1093 – The new Winchester Cathedral is dedicated by Walkelin. 1139 – Roger II of…
February 18 in History 1229 – The Sixth Crusade: Frederick II, Holy Roman Emperor, signs a ten-year truce with al-Kamil, regaining Jerusalem, Nazareth, and Bethlehem with neither military engagements nor support from the papacy. 1268 – The Battle of Wesenberg is fought between the Livonian Order and Dovmont of Pskov. 1332 – Amda Seyon I, Emperor of Ethiopia begins his campaigns in the…
January 25 in History AD 41 – After a night of negotiation, Claudius is accepted as Roman Emperor by the Senate. 750 – In the Battle of the Zab, the Abbasid rebels defeat the Umayyad Caliphate, leading to overthrow of the dynasty. 1348 – A strong earthquake strikes the South Alpine region of Friuli in modern Italy,…
January 21 in History 763 – Following the Battle of Bakhamra between Alids and Abbasids near Kufa, the Alid rebellion ends with the death of Ibrahim, brother of Isa ibn Musa. 1525 – The Swiss Anabaptist Movement is founded when Conrad Grebel, Felix Manz, George Blaurock, and about a dozen others…