- Arnoldus van Antwerpen
Death - 20 April 1863 (82 year anniversary) - Strijen, Zuid-Holland, Nederland - Jan Cornelis Reijne
Birth - 20 April 1840 (105 year anniversary) - Tilburg, Noord-Brabant, Nederland - Henricus Wellesen
Birth - 20 April 1834 (111 year anniversary) - Gennep-Ottersum, Limburg, Nederland - Johann Ignaz Hubert Hilgers
Birth - 20 April 1825 (120 year anniversary) - Eschweiler, Nordrhein-Westfalen, Deutschland - Hermanus Christoffel Hamerslag
Birth - 20 April 1821 (124 year anniversary) - Nijmegen, Gelderland, Nederland - Friedrich Christoph Heinrich Ahrens
Birth - 20 April 1798 (147 year anniversary) - Goslar-Frankenberg, Niedersachsen, Deutschland - Joannes van Bentum
Birth - 20 April 1797 (148 year anniversary) - Kranenburg-Zyfflich, Nordrhein-Westfalen, Deutschland - Wolterus Hoefkens
Death - 20 April 1712 (233 year anniversary) - Kevelaer-Wetten, Nordrhein-Westfalen, Deutschland
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