- Walter F. Elrod
- Adolf Heinrich Eckermann
Death - 21 March 1850 (48 year anniversary) - Ratchau near Lubeck, Germany - Moses Vose
- Johannes Prætorius
- Edward J. Boomer
Birth - 21 March 1821 (77 year anniversary) - Genesee Co., New York (now called Wyoming County) - John Newcome
- Rebecca Round
Birth - 21 March 1742 (156 year anniversary) - Rehobeth, Bristol, MA - John Plumb
Death - 21 March 1728 (170 year anniversary) - Milford Twp, New Haven Co. CT - John Martin
Death - 21 March 1713 (185 year anniversary) - Swansea, Bristol Co., MA - James Lyon
- Samuel Smith
Death - 21 March 1698 (200 year anniversary) - Fairfield, Fairfield, CT - Gardruth Uckermann
- Elizabeth Ingraham
Birth - 21 March 1628 (270 year anniversary) - Essex Co., England - Patrick Lyon
Death - 21 March 1459 (439 year anniversary) - At Belhelvies, Aberdineshire, Scotland - Henry Iv King England
Death - 21 March 1413 (485 year anniversary) - , Westminster, Middlesex, England - Joan Hussey
Death - 21 March 1411 (487 year anniversary) - Farley, HUNGERFORD, Somersetshire, England - Elizabeth (Isabel) Verdon
Birth - 21 March 1317 (581 year anniversary) - , Amesbury, Wiltshire, England - Jean Count de Brienne
Death - 21 March 1237 (661 year anniversary) - , , Constantinople, Turkey - Robert Prince Of France
Death - 21 March 1076 (822 year anniversary) - , Fleury-Sur-Ouche, France - COUNTESS OF GASTINOIS] Ermengarde Countess Of Anjou
- Regelindis von Polen
- Ælle von Northumbria
| |