Apr 10 In the year 0401 theodosius II, the Younger, Eastern Roman emperor
Dec 19 Anastasius I, Bishop of Rome (399-401), dies in the year 0401.
Dec 19 In the year 0401 st Anastasius I ends his reign as Catholic Pope
Dec 22 In the year 0401 st Innocent I begins his reign as Catholic Pope
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Important Dates And Events In History - Hisdates.Com