- Charles George Sabata
Birth - 21 April 1921 (27 year anniversary) - David City, Butler County, Nebraska, United States of America - Gradus Damen
Death - 21 April 1913 (35 year anniversary) - Tiel, Gelderland, Nederland - Marion Wallace Powers
- Mathias Damen
Death - 21 April 1859 (89 year anniversary) - Lingewaard-Bemmel, Gelderland, Nederland - Hendrik Kouwens
Death - 21 April 1856 (92 year anniversary) - Groesbeek, Gelderland, Nederland - Gradus Albers
Birth - 21 April 1832 (116 year anniversary) - Groesbeek, Gelderland, Nederland - Engelbert George van der Plaat
Birth - 21 April 1824 (124 year anniversary) - Antwerpen, Antwerpen, Belgique
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