Events By place Europe The Irish city of Armagh is 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)