One of the most ancient churches in Milan, it was built by St. Ambrose in 379–386, in an area where numerous martyrs of the Roman persecutions had been buried.
Je to jeden z najstarších kostolov v Taliansku, bol postavený biskupom Ambróziom v rokoch 379 - 386 na mieste, kde boli pochovaní viacerí Rímom prenasledovaní mučeníci.