- Cornelius de Meyere
- John Davenport
- Patrick Gray
Death - April 1541 (75 year anniversary) - Castle Huntly - Peter Petersen
- Duke Henry Beaufort
Birth - April 1436 (180 year anniversary) - , London, London, England - Cort Moltke
- Duke Humphrey Plantagenet
Birth - April 1382 (234 year anniversary) - Of, Pleshey, Essex, England - Thomas Iii de Berkeley
Death - before April 1346 (270 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 (398 year anniversary) - Selles Cambrai, Du Nord, France - Jean I D' Avesnes
Birth - April 1218 (398 year anniversary) - , Etroent, , LUXEMBOURG - Hamelin Plantagenet
Death - April 1202 (414 year anniversary) - , , , England - William Prince Of England
Death - April 1156 (460 year anniversary) - Wallingford Cast, Wallingford, Berkshire, England - Geoffroi Viscount de Thouars (Tours)
Death - April 1043 (573 year anniversary) - St Michael En Lh, Leon, Spain - Ethelred I Wessex
- Pippin (Carloman), King Of ITALY Italy
Birth - April 773 (843 year anniversary) - Of Aachen, Rhineland, Prussia - Grimoald der Jüngere
Death - April 714 (902 year anniversary) - Kirche St. Lambert in Lüttich - Hans Theg
- John Lyon
Death - 1 April 1497 (119 year anniversary) - Of Glamis, Angushire, Scotland - John Booth
- Robert de Clifford
Birth - 1 April 1274 (342 year anniversary) - Castle, CLIFFORD, Herefordshire, England - Geoffroy Ii "Ferreol" Count Of Gastinois
Death - 1 April 1046 (570 year anniversary) - , , ANJOU, France
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