| 45121 | April 19 | Birth | 1832 – José Echegaray, Spanish poet and playwright, Nobel Prize laureate (d. 1916) |
| 45122 | April 19 | Birth | 1835 – Julius Krohn, Finnish poet and journalist (d. 1888) |
| 45123 | April 19 | Birth | 1874 – Ernst Rüdin, Swiss psychiatrist, geneticist, and eugenicist (d. 1952) |
| 45124 | April 19 | Birth | 1877 – Ole Evinrude, Norwegian-American engineer, invented the outboard motor (d. 1934) |
| 45125 | April 19 | Birth | 1879 – Arthur Robertson, Scottish runner (d. 1957) |
| 45126 | April 19 | Birth | 1882 – Getúlio Vargas, Brazilian lawyer and politician, 14th President of Brazil (d. 1954) |
| 45127 | April 19 | Birth | 1883 – Henry Jameson, American soccer player (d. 1938) |
| 45128 | April 19 | Birth | 1883 – Richard von Mises, Austrian-American mathematician and physicist (d. 1953) |
| 45129 | April 19 | Birth | 1885 – Karl Tarvas, Estonian architect (d. 1975) |
| 45130 | April 19 | Birth | 1889 – Otto Georg Thierack, German jurist and politician (d. 1946) |
| 45131 | April 19 | Birth | 1891 – Françoise Rosay, French actress and singer (d. 1974) |
| 45132 | April 19 | Birth | 1892 – Germaine Tailleferre, French composer and educator (d. 1983) |
| 45133 | April 19 | Birth | 1894 – Elizabeth Dilling, American author and activist (d. 1966) |
| 45134 | April 19 | Birth | 1897 – Peter de Noronha, Indian businessman and philanthropist (d. 1970) |
| 45135 | April 19 | Birth | 1897 – Jiroemon Kimura, Japanese super-centenarian (d. 2013) |
| 45136 | April 19 | Birth | 1897 – Constance Talmadge, American actress and producer (d. 1973) |
| 45137 | April 19 | Birth | 1899 – George O'Brien, American actor and singer (d. 1985) |
| 45138 | April 19 | Birth | 1899 – Cemal Tollu, Turkish lieutenant and painter (d. 1968) |
| 45139 | April 19 | Birth | 1900 – Richard Hughes, English author, poet, and playwright (d. 1976) |
| 45140 | April 19 | Birth | 1900 – Roland Michener, Canadian lawyer and politician, 20th Governor General of Canada (d. 1991) |
| 45141 | April 19 | Birth | 1902 – Veniamin Kaverin, Russian author and screenwriter (d. 1989) |
| 45142 | April 19 | Birth | 1903 – Eliot Ness, American lawman (d. 1957) |
| 45143 | April 19 | Birth | 1907 – Alan Wheatley, English actor (d. 1991) |
| 45144 | April 19 | Birth | 1912 – Glenn T. Seaborg, American chemist and academic, Nobel Prize laureate (d. 1999) |
| 45145 | April 19 | Birth | 1913 – Ken Carpenter, American discus thrower and coach (d. 1984) |
| 45146 | April 19 | Birth | 1917 – Sven Hassel, Danish-German soldier and author (d. 2012) |
| 45147 | April 19 | Birth | 1919 – Sol Kaplan, American pianist and composer (d. 1990) |
| 45148 | April 19 | Birth | 1920 – Gene Leis, American guitarist, composer, and producer (d. 1993) |
| 45149 | April 19 | Birth | 1920 – Marvin Mandel, American lawyer and politician, 56th Governor of Maryland (d. 2015) |
| 45150 | April 19 | Birth | 1920 – John O'Neil, American baseball player and manager (d. 2012) |