337
ID: 3869
St. Julius I becomes thirty-fifth pope - defends Athanasius against Arians, asserts Roman primacy
ID: 3869
337
ID: 4678
Shapur II's long reign begins - rules for 70 years, restores Persian power
ID: 4678
337
ID: 4757
Death of Constantine - empire divided among three sons, beginning of East-West division
ID: 4757