- Ernst Julius Gentsch
- Henry T. Bacon
- Dr. phil. Georg Nachod
- Austin Omar Bocks
Birth - 30 April 1885 (78 year anniversary) - Holland, Ottawa, MI - Ludwig Wilhelm Christian Diestel
- James Ballou
- Amy Anne Diane Northrup
Birth - 30 April 1775 (188 year anniversary) - Prob., Berkshire, MA - Birgitte Hansen
Death - 30 April 1770 (193 year anniversary) - Udsholt, Frederiksborg, Denmark - Abigail Tilden
- Lucinda Carpenter
Birth - 30 April 1737 (226 year anniversary) - Swansea, Bristol, MA - Edward Duffield
Birth - 30 April 1730 (233 year anniversary) - Philadelphia, Philadelphia, Pa. - Job Lane
- Johan Olofsson
Birth - 30 April 1704 (259 year anniversary) - Hambro, Hedemora, Kopparberg - Gerritje van Duijnen
- Henry Burt
Death - 30 April 1662 (301 year anniversary) - , Springfield, Hampden, Massachusetts - David Parsons
- Margaret Atherton
Birth - 30 April 1638 (325 year anniversary) - Dorchester, Suffolk, Mass. - Mary Wales
Birth - 30 April 1630 (333 year anniversary) - Winwick, Lancashire, England - Abigail Olga Jaffe
- Katherine Heneage
Birth - 30 April 1588 (375 year anniversary) - Of, London, Middlesex, England - Georg Jürgen Beyer
Death - 30 April 1587 (376 year anniversary) - Flensburg, Germany - Gertrude Courtenay
Death - 30 April 1566 (397 year anniversary) - ., Raleigh, Devonshire, England - Henry Stafford
Death - 30 April 1563 (400 year anniversary) - Caus Castle, , Shropshire, England - Cecilia Daubeney
- John Bourchier
Death - 30 April 1539 (424 year anniversary) - Baunton, Devonshire, England - Christian Lyon
- Agnes Lyon
- Joan (Jane) Brereton
- Earl Richard De Beauchamp
Death - 30 April 1439 (524 year anniversary) - , Rouen, Seine-Maritime, France - Brian de Windsor
- John de Marmion
- Otto I Count Gelre
- Hildegard, Empress Of The HOLY ROMAN EMPIRE Holy Roman Empire
Death - 30 April 783 (1180 year anniversary) - , Thionville, MOSELLE, France - Hildegard von Anglachgau
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