- Thomas Bruhn
- Victor Johnson
- James A. Dufield
Death - 10 April 1885 (84 year anniversary) - Center, Mchenry Co., IL - Ernst Friedrich Aschoff
- Christopher Lüttmann
- Sylvester Rounds
Birth - 10 April 1762 (207 year anniversary) - Rehobeth, Bristol, MA - Johan Blij
- Benjamin Mason
Birth - 10 April 1711 (258 year anniversary) - Swansea, Bristol, MA - Jabez Washburn
- Uriah Leonard
- Henrik Hansen
Birth - 10 April 1622 (347 year anniversary) - Odense, Syddanmark, Denmark - Edmund Atherton
- John Wake
- Waleran Count Of Meulan
Death - 10 April 1166 (803 year anniversary) - Abbey, Preaux, Normandy, France - Graf Heinrich "der Fette" von Northeim
- König Ludwig II. "der Stammler" von Frankreich
- Vigilance Fisher
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