July 21 in History 356 BC – The Temple of Artemis in Ephesus, one of the Seven Wonders of the World, is destroyed by arson. 230 – Pope Pontian succeeds Urban I as the eighteenth pope. 285 – Diocletian appoints Maximian as Caesar and co-ruler. 365 – The 365 Crete earthquake affects the Greek island of Crete with a maximum Mercalli intensity…
May 9 in History 1009 – Lombard Revolt: Lombard forces led by Melus revolt in Bari against the Byzantine Catepanate of Italy. 1271 – Ninth Crusade, Edward I of England disembarks at Acre. 1386 – England and Portugal formally ratify their alliance with the signing of the Treaty of Windsor, making it the oldest diplomatic alliance in the world which…
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 (northern Syria). 797 – Empress Irene organizes a conspiracy against her son, the Byzantine emperor Constantine VI.…