Events By Place Western Roman Empire Geiseric, king of the Vandals, captures Sicily. Asia Northern China is unified by the Northern Wei. The Hepthalites, who will later be known as the Avars, move south from the Altay Mountains region into Transoxiana, Bactria, Khurasan and eastern Persia. By Topic Religion September 29 — Pope Leo I succeeds Pope Sixtus III as the 45th pope. Births Bodhidharma, semi-legendary Buddhist monk Emperor Wencheng of Northern Wei Emperor Wu of Souther… (More on 440)