About this period Alexander, bishop of Alexandria, when about to depart this life, left Athanasius as his successor, in accordance, I am convinced, with the Divine will directing the vote upon him. It is said that Athanasius at first sought to avoid the honor by flight, but that he, although unwilling, was afterwards constrained by Alexander to accept the bishopric. This is testified by Apolinarius, the Syrian,
Christianity · Church History · Ecclesiastical History
Book II, Ch. 17 — On the Death of Alexander, Bishop of Alexandria, at his Suggestion, Athanasius receives the Throne; and an Account of his Youth; how he was a Self-Taught Priest, and beloved by Antony the Great.
Ecclesiastical History · Salminius Hermias Sozomen