- Milo P. Humlicek
- Bernhard Olligschläger
Death - 21 January 1921 - Erftstadt-Ahrem, Nordrhein-Westfalen, Deutschland - Lester Ray Race
Birth - 1 March 1921 - Orchard, Antelope County, Nebraska, United States of America - Charles George Sabata
Birth - 21 April 1921 - David City, Butler County, Nebraska, United States of America - Raymond Rolland (Ray) Hartman
Birth - 11 May 1921 - Hadar, Pierce County, Nebraska, United States of America - Lawrence C. Raaen
- Richard Franklin Coleman
Birth - 27 May 1921 - Denver, Denver County, Colorado, United States of America - Wesley (or Vaclav) Mishka
Death - June 1921 - Phoenix, Maricopa County, Arizona, United States of America - Heinrich Johann Jakob Vogt
Birth - 6 July 1921 - Kranenburg, Nordrhein-Westfalen, Deutschland - Henry M. Kuncl
Birth - 28 July 1921 - Prague, Saunders County, Nebraska, United States of America - Leonard Humlicek
- Joseph C. (Josef) (Joe) Tuma
Death - 29 August 1921 - Burwell, Garfield County, Nebraska, United States of America - William Clarence Harlow Halsey
- Alfred Barovick
- Vern Tuma
Birth - 18 September 1921 - south of Chadron, Dawes County, Nebraska, United States of America - Wayne Acey Tuma
Birth - 13 November 1921 - just east of Chadron, Dawes County, Nebraska, United States of America
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