- Walter F. Elrod
- Adolf Heinrich Eckermann
Death - 21 March 1850 (39 year anniversary) - Ratchau near Lubeck, Germany - Moses Vose
- Johannes Prætorius
- Edward J. Boomer
Birth - 21 March 1821 (68 year anniversary) - Genesee Co., New York (now called Wyoming County) - John Newcome
- John Plumb
Death - 21 March 1728 (161 year anniversary) - Milford Twp, New Haven Co. CT - John Martin
Death - 21 March 1713 (176 year anniversary) - Swansea, Bristol Co., MA - James Lyon
- Samuel Smith
Death - 21 March 1698 (191 year anniversary) - Fairfield, Fairfield, CT - Patrick Lyon
Death - 21 March 1459 (430 year anniversary) - At Belhelvies, Aberdineshire, Scotland - Henry Iv King England
Death - 21 March 1413 (476 year anniversary) - , Westminster, Middlesex, England - Jean Count de Brienne
Death - 21 March 1237 (652 year anniversary) - , , Constantinople, Turkey - Robert Prince Of France
Death - 21 March 1076 (813 year anniversary) - , Fleury-Sur-Ouche, France - Ælle von Northumbria
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