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