Events By Place Europe The Irish city of Armagh's founded by St. Patrick. By Topic Religion Pope Leo I extinguishes the Gallican vicariate. Saint (Eastern Christian)/Heretic (mainstream Christian) Dioscorus I of Alexandria becomes the Patriarch of Alexandria / the 25th Pope of Alexandria (by different traditions respectively). Births Xiao Ni Deaths Bricius, bishop of Tours, who succeeded St. Martin June 27 — Cyril of Alexandria, theologian Juqu Wuhui… (More on 444)