We are in Milan capital of the Western Empire in the 4th century. There are some facts about the Bishop known since then as Saint Ambroise ((this portrait is a mosaic of the 5th century located in the Basilica St Ambroise of Milan)). It was born in 340: a few years before in 313 Constantin ended the persecution of Christians and Theodose in 380 will make Christianity the state religion. During his life, Ambroise (dead in 397) will be confronted with convict emperors...