July 6
640 – Battle of Heliopolis: The Muslim Arab army under ‘Amr ibn al-‘As defeat the Byzantine forces near Heliopolis (Egypt). 1348 – Pope Clement VI issues a papal bull protecting the Jews accused of having caused the Black Death. 1415 – Jan Hus is condemned as a heretic and then burned at the stake. 1535 – Sir Thomas More is executed for treason...