- John Joseph Hearn
- James Lincoln
Death - April 1788 (74 year anniversary) - Norton, Bristol, MA - Ebenezer Hearne
Death - April 1785 (77 year anniversary) - Sussex Cty, Delaware - Aaron ASPENWALL
Death - April 1785 (77 year anniversary) - Norfolk Litchfield, CT - William Ashton
Death - April 1765 (97 year anniversary) - Providence, RI - Noah Carpenter
Death - April 1756 (106 year anniversary) - Attleboro, Bristol, MA - Manes Teomim
Death - April 1684 (178 year anniversary) - Prag, Böhmen - Caleb Abell
- Thomas Clapp
Death - April 1670 (192 year anniversary)Birth - April 1655 (207 year anniversary) - Boston, Suffolk Co., Massachusetts - John Marsh
Birth - April 1618 (244 year anniversary) - Braintree, Essex, England - Cornelius de Meyere
- John Davenport
- Patrick Gray
Death - April 1541 (321 year anniversary) - Castle Huntly - Peter Petersen
- Duke Henry Beaufort
Birth - April 1436 (426 year anniversary) - , London, London, England - Cort Moltke
- Duke Humphrey Plantagenet
Birth - April 1382 (480 year anniversary) - Of, Pleshey, Essex, England - Thomas Iii de Berkeley
Death - before April 1346 (516 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 (644 year anniversary) - Selles Cambrai, Du Nord, France - Jean I D' Avesnes
Birth - April 1218 (644 year anniversary) - , Etroent, , LUXEMBOURG - Hamelin Plantagenet
Death - April 1202 (660 year anniversary) - , , , England - William Prince Of England
Death - April 1156 (706 year anniversary) - Wallingford Cast, Wallingford, Berkshire, England - Geoffroi Viscount de Thouars (Tours)
Death - April 1043 (819 year anniversary) - St Michael En Lh, Leon, Spain - Ethelred I Wessex
- Pippin (Carloman), King Of ITALY Italy
Birth - April 773 (1089 year anniversary) - Of Aachen, Rhineland, Prussia - Grimoald der Jüngere
Death - April 714 (1148 year anniversary) - Kirche St. Lambert in Lüttich - Joachim Heinrich Eckermann
Birth - 1 April 1813 (49 year anniversary) - Granzin, , Germany - Jabez Washburn
- Johann Julius Eckermann
Birth - 1 April 1793 (69 year anniversary) - Sparow, Germany - Joseph Duffield
- Oliver Round
Birth - 1 April 1747 (115 year anniversary) - Rehobeth, Bristol, MA - Hugh [Hulth] Bullock
Birth - 1 April 1706 (156 year anniversary) - Rehoboth, Plymouth Colony, Mass. - George Kendrick
Death - after 1 April 1691 (171 year anniversary) - Rehobeth, Bristol, MA - Abigail Hall
Birth - 1 April 1683 (179 year anniversary) - Fairfield, Fairfield, Connecticut - Johann Eckermann
Birth - 1 April 1641 (221 year anniversary) - Börnsen, Germany - John Trivilian
Death - 1 April 1623 (239 year anniversary) - Nettlecombe, Somerset, England - Hans Theg
- John Lyon
Death - 1 April 1497 (365 year anniversary) - Of Glamis, Angushire, Scotland - John Booth
- Robert de Clifford
Birth - 1 April 1274 (588 year anniversary) - Castle, CLIFFORD, Herefordshire, England - Geoffroy Ii "Ferreol" Count Of Gastinois
Death - 1 April 1046 (816 year anniversary) - , , ANJOU, France
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