- LaDonna Johnson
Death - 31 May 1997 (10 year anniversary) - Armour, Douglas County, South Dakota, United States of America - Emma Schmid
Death - 31 May 1971 (36 year anniversary) - , Dodge County, Nebraska, United States of America - Irene R. Humlicek
- Louisa Maria Johanna Folge
Birth - 31 May 1902 (105 year anniversary) - Harderwijk, Gelderland, Nederland - Gertrud Schmeling
Death - 31 May 1810 (197 year anniversary) - Mülheim/Ruhr-Mintard, Nordrhein-Westfalen, Deutschland
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