4th century

December 22, 2017
Roman Emperor Diocletian (Gaius Aurelius Valorous Diocletianus) was born on 22 December 244.

October 26, 2017
A far-reaching vision: 27 October marks the date of ancient Roman Emperor Constantine’s purported “Vision of the Cross.”

October 29, 2016
On 29 October, 312, Constantine the Great entered Rome after his victory at the Milvian Bridge on the previous day.

August 7, 2016
The third son of Constantine I, Flavius Julius Constantius II was born in Illyricum on 7 August 317.

November 24, 2015
24 November Marks the Feast Day of Saint Chrysogonus.