400s | dn2=410s | dn3=420s }} Events By Place Roman Empire August 22 — Arbogast elevates Eugenius as Emperor, after the mysterious death of Valentinian II in Gaul. Theodosius I issues an edict reinforcing the prohibition of prayers or sacrifices at non-Christian temples. Births Emperor Mingyuan of Northern Wei Deaths May — Valentinian II, Roman Emperor… (More on 392)