Dec 22 Leo III succeeds pope Adrianus I on this day in history.
Dec 25 Adrian I ends his reign as Catholic Pope on this day in history.
Dec 25 In the year 0795 adrian I, Italian Pope (772-95), dies
Dec 26 St Leo III begins his reign as Catholic Pope on this day in history.
Dec 25 Adrian I, Italian Pope (772-95), dies on this day in history.
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Important Dates And Events In History - Hisdates.Com