Historical Events in 878 AD May 6 Battle of Edington: Alfred the Great and his West Saxon army defeat Viking army of Guthrum the Old [earliest possible date] May 21 Syracuse is captured by the Muslim sultan of Sicily 877 AD History by Year 879 AD Medieval Popes Gregory I Gregory XIII Julius II Julius III Leo X Pius V
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V