- Louise Margaretha Adelaïda "Wies" Alting Siberg
Death - 13 April 1997 (4 year anniversary) - Zwijndrecht, The Netherlands - Heinz Klaus Butter
- Erika Erxleben
- Margarette E. Devine
Death - 13 April 1913 (88 year anniversary) - Boulder, Boulder, CO - Max Robert Walter Winkelmann
- Karl Alfred Robert Sonnabend
- Mary Ann Ellsworth
- Florentine Ethel Zweck
- Attia Emma Zimmerling
- Adolf Robert Sonnabend
Birth - 13 April 1873 (128 year anniversary) - Leschkowitz, Glogau - Izaak Salomon Darmstädter
Death - 13 April 1872 (129 year anniversary) - Nederlands Oost Indië - Harriett (Martha) Spratt
- Johann Friedrich Mattfeld
- Zipporah Anna Bishop
- Bradford Crossman
Birth - 13 April 1785 (216 year anniversary) - Raynham, Mass. Bay Province - Amos Pettibone
- Grace Ormsby
- Samuel Leonard
- Elisha Billington
- Benjamin Duffield
- Maria Barbara Schultze
- Deborah Skelton
- Mette Rasmusdatter Thestrup
- Hannah Kimberly
Birth - 13 April 1694 (307 year anniversary) - New Haven, New Haven, Connecticut - Joanna Pitcher
- Elizabeth Lane
- Mette Magdalene Prætorius
- Mary Burt
Birth - 13 April 1635 (366 year anniversary) - Harberton, Harberton, Devonshire, England - Ingeborg Outzen
Death - 13 April 1594 (407 year anniversary) - Flensburg, Germany - Marquess John Neville
- Giles Brugge
- Blanche Princess Of France
- Eleanor Princess Of England
Death - 13 April 1275 (726 year anniversary) - , Montargis, Loiret, France - Engelbert Ii Duke Carinthia
- Wsevolod I Jaroslawitsch von Kiew
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