393

By place

Roman Empire

• January 23 - Emperor Theodosius I proclaims his son Honorius, age 8, co-ruler of the Western Roman Empire.
• Theodosius I demands the destruction of pagan temples, holy sites, and ancient objects throughout the Roman Empire.
• Theodosius I abolishes the Greek Olympic Games, ending a thousand years of festivals, as part of the general Christian policy to establish universal Christian worship in accordance with the doctrines set forth in the Nicene Creed. The next Olympic Games would not be held until 1896.

  China

• Gao Zu succeeds Tai Zu as emperor of the Later Qin Empire.
• Chinese astronomers observe the guest star SN 393.

  By topic

Religion

• Synod of Hippo: A council at Hippo Regius is hosted by the Church. The bishops approve a canon of Sacred Scripture that correspond to the Roman Catholic Church.