- Joseph Leonhard Theodor Prümm
Birth - 31 May 1801 (33 year anniversary) - Aachen, Germany - Ezra Pitcher
- Nathan Luther
Birth - 31 May 1695 (139 year anniversary) - Swansea, Rehoboth, Bristol, MA - Thomas Hearne
Birth - 31 May 1691 (143 year anniversary) - Somerset Co., Md - Dr. med. Jørgen Fuiren
- John Wheatleigh
Birth - 31 May 1547 (287 year anniversary) - Tingsboro, Somerset, Eng - John Heneage
- Baron Maurice "The Magnanimous" Berkeley
Death - 31 May 1326 (508 year anniversary) - Wallingford Castle, England - Hugh Wake
- Robert "The Competitor" Brus
Death - 31 May 1295 (539 year anniversary) - Priory, Lochmaben, Dumfriesshire, Scotland - Robert Prince Of England
- Geza Ii (Masodik Geza], King Of Hungary
- Waltheof Earl Of Northumberland
- Ernst, Duke Of Swabia
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