- Thomas Plimpton
- Thomas Clapp
- George Anderson
Birth - April 1620 (140 year anniversary) - Glasgow, Lanark, Scotland - John Marsh
Birth - April 1618 (142 year anniversary) - Probably Of Brai, Essex, England - Anselm Marshall
- Ernulf De Mandeville
Death - April 1178 (582 year anniversary) - England - William Prince Of England
Death - April 1156 (604 year anniversary) - Wallingford Cast, Wallingford, Berkshire, England - Pippin Carloman King Italy
Birth - between April 773 and 777 (987 year anniversary) - Of, Aachen, Rhineland, Prussia - Grimoald Mayor Of Neustria
Death - April 714 (1046 year anniversary) - St Jacques Churc, Liege, Belgium - Elisha Smith
- Amadeo III Count Savoy
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