– This Pope was the first to wear the monastic uniform by St. Anthony and made it the uniform of all popes and bishops.
– His genius was revealed in exposing the heresy of Arius at the Council of Nicaea, Athanasius was a deacon at the time.
– He ordained for Ethiopia its first bishop, Bishop Salama.
– Arians persecuted him and was exiled five times.
Ruler: Constantine I the Great (306–337), Constans I (337–350), Julian the Apostate (361–363), Jovian (363–364), Valens (364–378)