- Edward Duffield
Birth - 30 April 1730 (37 year anniversary) - Philadelphia, Philadelphia, Pa. - Job Lane
- Johan Olofsson
Birth - 30 April 1704 (63 year anniversary) - Hambro, Hedemora, Kopparberg - Henry Burt
Death - 30 April 1662 (105 year anniversary) - , Springfield, Hampden, Massachusetts - David Parsons
- Georg Jürgen Beyer
Death - 30 April 1587 (180 year anniversary) - Flensburg, Germany - Henry Stafford
Death - 30 April 1563 (204 year anniversary) - Caus Castle, , Shropshire, England - John Bourchier
Death - 30 April 1539 (228 year anniversary) - Baunton, Devonshire, England - Earl Richard De Beauchamp
Death - 30 April 1439 (328 year anniversary) - , Rouen, Seine-Maritime, France - Brian de Windsor
- John de Marmion
- Otto I Count Gelre
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