1013

August 15 in history 636 – Arab–Byzantine wars: The Battle of Yarmouk between Byzantine Empire and Rashidun Caliphate begins. 717 – Arab–Byzantine wars: Maslama ibn Abd al-Malik begins the Second Arab Siege of Constantinople, which…

July 18 in history 477 BC – Battle of the Cremera as part of the Roman–Etruscan Wars. Veii ambushes and defeats the Roman army. 387 BC– Roman-Gaulish Wars: Battle of the Allia: A Roman army is defeated by raiding Gauls, leading…

May 21 in History 293 – Roman Emperors Diocletian and Maximian appoint Galerius as Caesar to Diocletian, beginning the period of four rulers known as the Tetrarchy. 878 – Syracuse, Sicily, is captured by the Muslim Aghlabids …

April 19 in History AD 65 – The freedman Milichus betrays Piso's plot to kill Emperor Nero and all the conspirators are arrested. 531 – Battle of Callinicum: A Byzantine army under Belisarius is defeated by the Persians at Raqqa…