Bronze Head of Constantine

Capitoline Museum, Rome

324 A.D. Constantine establishes a second capitol for the Empire at Constantinople (Byzantium)

Religion in the Greek East


Early Popes and the Church

Papal Primacy

Council of Sardica 343 A.D.

The first known papal decretal was issued by Pope Siricius in 385

Pope Leo I (440-461) Matthew 16:18 and Plenitudo potestatis

Pope Gelasius: Two Swords 494 A.D.



The Aurelian Walls of Rome ca. 212 AD

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