400 births

The 15th Sassanid Emperor (421–438)

Salamanes Hermias Sozomenos (; ; c. 400 – c. 450 AD), also known as Sozomen, was a Byzantine Empire era lawyer and historian of the Christian Church of Palestinian origin.

Emperor of Japan

Hydatius, also spelled Idacius () was a late Western Roman writer and clergyman. The bishop of Aquae Flaviae in the Roman province of Gallaecia (almost certainly the modern Chaves, Portugal, in the modern district of Vila Real), he was the author of a chronicle of his own times that provides us with our best evidence for the history of Hispania in the 5th century.

hermit

Salonius (c. 400 – 28 September 475) known as Salonius of Geneva was a confessor and bishop of the 5th century. He was a son of Eucherius of Lyon and Galla. He was educated at Lérins Abbey, first by Hilary of Arles, then by Salvianus and Vincent of Lérins. In 440, he was elected bishop of Geneva and, as such, took part in the Synod of Orange (441), the Synod of Vaison (442), and the Synod of Arles in 451. He has also been listed as the bishop of Genoa, but it is not clear if this was a later appointment or if the word Geneva was incorrectly written as Genova. He was an accomplished Latin eccle

third daughter of Emperor Arcadius, 400–444