- Cornelis Roos
Death - 31 May 1912 (47 year anniversary) - Sloten, Sloten, Noord-Holland, Nederland - Herman Heinrich Josephus Hulselmans
Birth - 31 May 1908 (51 year anniversary) - Rotterdam, Rotterdam, Zuid-Holland, Nederland - Hendrikus Duijshart
Birth - 31 May 1861 (98 year anniversary) - Rotterdam, Rotterdam, Zuid-Holland, Nederland - Joseph Veltman
Birth - 31 May 1849 (110 year anniversary) - Sneek, Sneek, Friesland, Nederland
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