| 48421 | April 27 | Birth | 1896 – Rogers Hornsby, American baseball player, coach, and manager (d. 1963) |
| 48422 | April 27 | Birth | 1896 – William Hudson, New Zealand-Australian engineer (d. 1978) |
| 48423 | April 27 | Birth | 1898 – Ludwig Bemelmans, Italian-American author and illustrator (d. 1962) |
| 48424 | April 27 | Birth | 1899 – Walter Lantz, American animator, producer, screenwriter, and actor (d. 1994) |
| 48425 | April 27 | Birth | 1900 – August Koern, Estonian politician and diplomat, Estonian Minister of Foreign Affairs in exile (d. 1989) |
| 48426 | April 27 | Birth | 1902 – Tiemoko Garan Kouyaté, Malian educator and activist (d. 1942) |
| 48427 | April 27 | Birth | 1903 – Horace Stoneham, American businessman (d. 1990) |
| 48428 | April 27 | Birth | 1904 – Cecil Day-Lewis, Irish-English poet and author (d. 1972) |
| 48429 | April 27 | Birth | 1904 – Nikos Zachariadis, Greek politician (d. 1973) |
| 48430 | April 27 | Birth | 1905 – John Kuck, American javelin thrower and shot putter (d. 1986) |
| 48431 | April 27 | Birth | 1906 – Yiorgos Theotokas, Greek author and playwright (d. 1966) |
| 48432 | April 27 | Birth | 1910 – Chiang Ching-kuo, Chinese politician, 3rd President of the Republic of China (d. 1988) |
| 48433 | April 27 | Birth | 1911 – Bruno Beger, German anthropologist and ethnologist (d. 2009) |
| 48434 | April 27 | Birth | 1911 – Chris Berger, Dutch sprinter and footballer (d. 1965) |
| 48435 | April 27 | Birth | 1912 – Jacques de Bourbon-Busset, French author and politician (d. 2001) |
| 48436 | April 27 | Birth | 1912 – Zohra Sehgal, Indian actress, dancer, and choreographer (d. 2014) |
| 48437 | April 27 | Birth | 1913 – Philip Abelson, American physicist and author (d. 2004) |
| 48438 | April 27 | Birth | 1913 – Irving Adler, American mathematician, author, and academic (d. 2012) |
| 48439 | April 27 | Birth | 1913 – Luz Long, German long jumper and soldier (d. 1943) |
| 48440 | April 27 | Birth | 1916 – Robert Hugh McWilliams, Jr., American sergeant, lawyer, and judge (d. 2013) |
| 48441 | April 27 | Birth | 1916 – Enos Slaughter, American baseball player and manager (d. 2002) |
| 48442 | April 27 | Birth | 1917 – Roman Matsov, Estonian violinist, pianist, and conductor (d. 2001) |
| 48443 | April 27 | Birth | 1918 – Sten Rudholm, Swedish lawyer and jurist (d. 2008) |
| 48444 | April 27 | Birth | 1920 – Guido Cantelli, Italian conductor (d. 1956) |
| 48445 | April 27 | Birth | 1920 – Mark Krasnosel'skii, Ukrainian-Russian mathematician and academic (d. 1997) |
| 48446 | April 27 | Birth | 1920 – James Robert Mann, American colonel, lawyer, and politician (d. 2010) |
| 48447 | April 27 | Birth | 1920 – Edwin Morgan, Scottish poet and translator (d. 2010) |
| 48448 | April 27 | Birth | 1921 – Robert Dhéry, French actor, director, and screenwriter (d. 2004) |
| 48449 | April 27 | Birth | 1921 – John Stott, English clergyman and theologian (d. 2011) |
| 48450 | April 27 | Birth | 1922 – Martin Gray, Polish-French holocaust survivor and author |