- Calvin E. Crecelius
Death - 20 April 2007 (5 year anniversary) - Tucson, Pima, Arizona - Roy Leon Swain
Death - 20 April 2004 (8 year anniversary) - Oklahoma City, Oklahoma, Oklahoma, USA - Orvel Boyde Pickens
- Earnest O. Pickens
Death - 20 April 1965 (47 year anniversary) - Orleans, Orange Indiana, USA - William Chester Pickens
- Ellis Theodore Pickens
Death - 20 April 1963 (49 year anniversary) - Eugene, Lane, Oregon, USA - William Chester Pickens
- William Earle Pickens II
- Thomas Carl Smith
Birth - 20 April 1926 (86 year anniversary) - Butler County, Alabama - Everett Lee Russell
Birth - 20 April 1925 (87 year anniversary) - Senath, Dunklin, Missouri, USA - Harold E. Kendall
- Harry Dallas Pickens
- Claude Leon Pickens Jr
Birth - 20 April 1900 (112 year anniversary) - Alexandria, Alexandria, Virginia, USA - Thomas Ridley "Tom" Pickens
Birth - 20 April 1892 (120 year anniversary) - Huntsville, Madison, Arkansas, USA - Ezekiel Pickens Black
Death - 20 April 1879 (133 year anniversary) - Greenville, , Butler, Alabama, USA
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