- August Albert Adolf Heinrich LeÃner
Death - 23 December 1949 (40 year anniversary) - Uslar-Verliehausen, Niedersachsen, Deutschland - Hendrik Kersten
Death - 23 December 1887 (102 year anniversary) - Groesbeek, Gelderland, Nederland - Gerardus Braam
Birth - 23 December 1832 (157 year anniversary) - Ubbergen, Gelderland, Nederland - Konrad LeÃner
- Paulus Boelen
Birth - 23 December 1787 (202 year anniversary) - Alblasserdam, Zuid-Holland, Nederland - Johann Ernst Rohrmann
Birth - 23 December 1787 (202 year anniversary) - Clausthal-Zellerfeld-Clausthal, Niedersachsen, Deutschland - Daniel van der Plaat
Birth - 23 December 1777 (212 year anniversary) - Vlissingen, Zeeland, Nederland - Petrus Joannes Overveldts
Birth - 23 December 1726 (263 year anniversary) - Kevelaer-Wetten, Nordrhein-Westfalen, Deutschland
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