- Rosalia Regine Jontof-Hutter
- Paula L. "Lizzy" Timmermans
- Blanche Leone Knapp
- Joachim Hersing
- Bernard Granville Betty
- Inez Roth (MN)
- Emilie Eckermann
- Rebecca Ellis
Death - 21 April 1809 (156 year anniversary) - Royalston, Worcester, MA - Johann Gottlob Wurst
Birth - 21 April 1799 (166 year anniversary) - Ransen, Schliesen, Germany - Julius August Sellschopp
Birth - 21 April 1786 (179 year anniversary) - Consrade bei Plate - James Hix
Birth - 21 April 1742 (223 year anniversary) - Rehobeth, Bristol, MA - Welthy Crossman
Birth - 21 April 1741 (224 year anniversary) - Raynham, Mass. Bay Province - John Fuller
- Anna Andersdotter
- Jonathan Tilden
- Mercy (Washburn) Cushman
Birth - 21 April 1702 (263 year anniversary) - Plymouth, Massachusetts - Mercy Washburn
- Elizabeth Littlefield
- George Nevill
Birth - 21 April 1665 (300 year anniversary) - Of, Birling, Kent, England - Johann Christopher Eckermann
Birth - 21 April 1661 (304 year anniversary) - Tarnewitz, Germany - William Carpenter
Death - after 21 April 1659 (306 year anniversary) - W.P., Rehoboth, Bristol, MA - Thomas Lincoln
Birth - 21 April 1656 (309 year anniversary) - Taunton, Bristol Co, MA - William Knapp Or Knopp
Death - 21 April 1627 (338 year anniversary) - St. Mary, Bures, Suffolk, England - Rabbi Moshe ben Israel "HaReMa" Isserles
- Richard "Fill Sack" Sackville
- Margaret Champernon
| - Julius Gotthelf Heinrich + Johanna Auguste Elix
Marriage - 21 April 1864 (101 year anniversary) - Schoenborn Lutheran Church, South Australia - Reuben Adams + Private
- Christoph Adolf Friedrich Eckermann + Wilhelmina Dorothea Porst
Marriage - 21 April 1775 (190 year anniversary) - Thorstorf, Germany - Thomas Upham + Elizabeth Hovey
Marriage - 21 April 1693 (272 year anniversary) - TOPSFIELD, IPSWICH, ESSEX, MASS - Joseph Carpenter + Hannah Carpenter
Marriage - 21 April 1659 (306 year anniversary) - Rehobeth, Bristol, MA - John Searle + Margaret Channon
Marriage - 21 April 1631 (334 year anniversary) - Ottery St. Mary, Devonshire, England - Richard Burgh + Egidia (Jill) Lacy
Marriage - 21 April 1225 (740 year anniversary) - , , Meath, Ireland
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