- Catharine Sibilla Margaretha Militzer
Birth - 31 May 1825 (2 year anniversary) - Hof/Bayern, Germany - Abigail Bacon
Birth - 31 May 1758 (69 year anniversary) - Charlestown, MA - Wilhelmina Charlotte von Carnap
- Ruth Boomer
Birth - 31 May 1700 (127 year anniversary) - Freetown, Bristol, MA - Ruth Knapp
Death - 31 May 1666 (161 year anniversary) - Stamford, Fairfield, Conn - Duchess Cecily De Neville
Death - 31 May 1495 (332 year anniversary) - , Berkhamsted, Hertfordshire, England Birth - 31 May 1415 (412 year anniversary) - , Raby, Durham, England - Margaret Beaufort
- Elizabeth de Montagu
Death - 31 May 1359 (468 year anniversary) - , ASHLEY, Hampshire, England - Maud La Zouche
- Mary Princess Of Scotland
Death - 31 May 1116 (711 year anniversary) - St. Saviors Mona, Bermondsey, Middlesex, England - Isabel Ferrers
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