Jan 11 Michael I Rhangabes, Byzantine Emperor on this day in history.
Jan 25 On this day in history gregory IV begins & ends his reign as Catholic Pope
Jan 25 On this day in history gregory IV begins &ends his reign as Catholic Pope
Jan 25 Pope Gregory IV in the year 0844.
Jan 11 Michael I Rhangabes, Byzantine Emperor died in the year 0844.
Jan 25 Pope Gregory IV died in the year 0844.
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Important Dates And Events In History - Hisdates.Com