- Blanca Mathilde Marie Schulze
- Adolf Robert Sonnabend
Death - 6 April 1951 (24 year anniversary) - Stendal, Germany - Anders Frederick Ahlander
Death - 6 April 1938 (37 year anniversary) - Provo, Utah, Ut - Friedrich Carl Ahrns
Death - 6 April 1918 (57 year anniversary) - Petersburg, , Aus. - Emmy Heintzmann
Death - 6 April 1913 (62 year anniversary) - Dortmund, Germany - Ella (Alice) Amelia Becker
- William C. H. Hearn
Birth - 6 April 1863 (112 year anniversary) - , Walton County, Ga - William Anno
Death - 6 April 1853 (122 year anniversary) - , Mason, Kentucky Birth - 6 April 1781 (194 year anniversary) - , Somerset, Maryland - Henriette Johanna Bertha Franziska Augusta Eckermann
Birth - 6 April 1843 (132 year anniversary) - Klein-Godems bei Parchim, Germany - Elise Magdalene Eckermann
Death - 6 April 1837 (138 year anniversary) - Ratekau, Germany - Dorothea Henrietta Poten
- Jeppe Prætorius
- James Crossman
Birth - 6 April 1783 (192 year anniversary) - Taunton, Bristol, MA - Albrecht Friedrich Paetow
- Nancy Bullock
Birth - 6 April 1779 (196 year anniversary) - Rehobeth, Bristol, MA - Susanna Luther
Death - 6 April 1777 (198 year anniversary) - Little Compton, , , RI - Ludwig Helmuth August Eckermann
Birth - 6 April 1769 (206 year anniversary) - Langenbrutz, Germany - Magdalena Margaretha Gerstenkorn
Death - 6 April 1753 (222 year anniversary) - Wedendorf, Germany - Henery Wight
- Joseph Leonard
- Nathaniel Littlefield
Birth - 6 April 1691 (284 year anniversary) - BRAINTREE, NORFOLK, CO., MASS - Rebecca Lane
- Elizabeth VIALL
Birth - 6 April 1670 (305 year anniversary) - Boston, Suffolk Co, MA - Captain Roger Clapp
Birth - 6 April 1609 (366 year anniversary) - Salcome Regis, Devon, England - John Stronge
Birth - 6 April 1609 (366 year anniversary) - Taunton, Somersetshire, England - Sarah Sale
Birth - 6 April 1602 (373 year anniversary) - Of, Chesham, Bucks, England - Edward Huckstep
- Matthäus Brückner
- Alice Tilden
Birth - 6 April 1559 (416 year anniversary) - Tenterden, Kent, England - Barbeli Kambli
- William Stafford
Death - 6 April 1395 (580 year anniversary) - , Pleshey, Essex, England - Philippina (Philippa) Countess Luxembourg-Maas
Death - 6 April 1311 (664 year anniversary) - , Valenciennes, Nord, France - Pierre Prince Of France
Death - 6 April 1284 (691 year anniversary) - , Solerno, , Italy - William de Harcourt
- Richard I "Coeur De Lion", King Of England
Death - 6 April 1199 (776 year anniversary) - , Chalus, Haute-Vienne, France - Humphrey de Bohun
- Friedrich Ii Duke Swabia
- Guillaume Ii [Count Of Angouleme] Taillefer
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