- Thomas Plimpton
- Thomas Clapp
- George Anderson
Birth - April 1620 (58 year anniversary) - Glasgow, Lanark, Scotland - John Marsh
Birth - April 1618 (60 year anniversary) - Probably Of Brai, Essex, England - Anselm Marshall
- Ernulf De Mandeville
Death - April 1178 (500 year anniversary) - England - William Prince Of England
Death - April 1156 (522 year anniversary) - Wallingford Cast, Wallingford, Berkshire, England - Pippin Carloman King Italy
Birth - between April 773 and 777 (905 year anniversary) - Of, Aachen, Rhineland, Prussia - Grimoald Mayor Of Neustria
Death - April 714 (964 year anniversary) - St Jacques Churc, Liege, Belgium - Elisha Smith
- Amadeo III Count Savoy
| |