- Henry Iv King England
Death - 21 March 1413 (33 year anniversary) - , Westminster, Middlesex, England - Joan Hussey
Death - 21 March 1411 (35 year anniversary) - Farley, HUNGERFORD, Somersetshire, England - Elizabeth (Isabel) Verdon
Birth - 21 March 1317 (129 year anniversary) - , Amesbury, Wiltshire, England - Jean Count de Brienne
Death - 21 March 1237 (209 year anniversary) - , , Constantinople, Turkey - Robert Prince Of France
Death - 21 March 1076 (370 year anniversary) - , Fleury-Sur-Ouche, France - COUNTESS OF GASTINOIS] Ermengarde Countess Of Anjou
- Regelindis von Polen
- Ælle von Northumbria
- Elizabeth L' Arcedekne
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