- Manes Teomim
Death - April 1684 (9 year anniversary) - Prag, Böhmen - Caleb Abell
- Thomas Clapp
Death - April 1670 (23 year anniversary)Birth - April 1655 (38 year anniversary) - Boston, Suffolk Co., Massachusetts - John Marsh
Birth - April 1618 (75 year anniversary) - Braintree, Essex, England - Cornelius de Meyere
- John Davenport
- Patrick Gray
Death - April 1541 (152 year anniversary) - Castle Huntly - Peter Petersen
- Duke Henry Beaufort
Birth - April 1436 (257 year anniversary) - , London, London, England - Cort Moltke
- Duke Humphrey Plantagenet
Birth - April 1382 (311 year anniversary) - Of, Pleshey, Essex, England - Thomas Iii de Berkeley
Death - before April 1346 (347 year anniversary) - Probably Coston, Wymondham, Leicestershire, England - John Howard
- Gilbert de Haya
- William Mauduit
- Simon Seigneur de Joinville
- Godefroy d'Avesnes I Carpentier
Birth - April 1218 (475 year anniversary) - Selles Cambrai, Du Nord, France - Jean I D' Avesnes
Birth - April 1218 (475 year anniversary) - , Etroent, , LUXEMBOURG - Hamelin Plantagenet
Death - April 1202 (491 year anniversary) - , , , England - William Prince Of England
Death - April 1156 (537 year anniversary) - Wallingford Cast, Wallingford, Berkshire, England - Geoffroi Viscount de Thouars (Tours)
Death - April 1043 (650 year anniversary) - St Michael En Lh, Leon, Spain - Ethelred I Wessex
- Pippin (Carloman), King Of ITALY Italy
Birth - April 773 (920 year anniversary) - Of Aachen, Rhineland, Prussia - Grimoald der Jüngere
Death - April 714 (979 year anniversary) - Kirche St. Lambert in Lüttich - George Kendrick
Death - after 1 April 1691 (2 year anniversary) - Rehobeth, Bristol, MA - Abigail Hall
Birth - 1 April 1683 (10 year anniversary) - Fairfield, Fairfield, Connecticut - Johann Eckermann
Birth - 1 April 1641 (52 year anniversary) - Börnsen, Germany - John Trivilian
Death - 1 April 1623 (70 year anniversary) - Nettlecombe, Somerset, England - Hans Theg
- John Lyon
Death - 1 April 1497 (196 year anniversary) - Of Glamis, Angushire, Scotland - John Booth
- Robert de Clifford
Birth - 1 April 1274 (419 year anniversary) - Castle, CLIFFORD, Herefordshire, England - Geoffroy Ii "Ferreol" Count Of Gastinois
Death - 1 April 1046 (647 year anniversary) - , , ANJOU, France
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