- Thomas Hearne
Birth - 31 May 1691 (1 year anniversary) - Somerset Co., Md - Ruth Knapp
Death - 31 May 1666 (26 year anniversary) - Stamford, Fairfield, Conn - Dr. med. Jørgen Fuiren
- John Wheatleigh
Birth - 31 May 1547 (145 year anniversary) - Tingsboro, Somerset, Eng - John Heneage
- Duchess Cecily De Neville
Death - 31 May 1495 (197 year anniversary) - , Berkhamsted, Hertfordshire, England Birth - 31 May 1415 (277 year anniversary) - , Raby, Durham, England - Margaret Beaufort
- Elizabeth de Montagu
Death - 31 May 1359 (333 year anniversary) - , ASHLEY, Hampshire, England - Maud La Zouche
- Baron Maurice "The Magnanimous" Berkeley
Death - 31 May 1326 (366 year anniversary) - Wallingford Castle, England - Hugh Wake
- Robert "The Competitor" Brus
Death - 31 May 1295 (397 year anniversary) - Priory, Lochmaben, Dumfriesshire, Scotland - Robert Prince Of England
- Geza Ii (Masodik Geza], King Of Hungary
- Mary Princess Of Scotland
Death - 31 May 1116 (576 year anniversary) - St. Saviors Mona, Bermondsey, Middlesex, England - Waltheof Earl Of Northumberland
- Isabel Ferrers
- Ernst, Duke Of Swabia
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