| 79141 | July 12 | Birth | 1857 – George E. Ohr, American potter (d. 1918) |
| 79142 | July 12 | Birth | 1861 – Anton Arensky, Russian pianist, composer, and educator (d. 1906) |
| 79143 | July 12 | Birth | 1863 – Albert Calmette, French physician, bacteriologist, and immunologist (d. 1933) |
| 79144 | July 12 | Birth | 1863 – Paul Drude, German physicist and academic (d. 1906) |
| 79145 | July 12 | Birth | 1868 – Stefan George, German poet and translator (d. 1933) |
| 79146 | July 12 | Birth | 1870 – Louis II, Prince of Monaco (d. 1949) |
| 79147 | July 12 | Birth | 1872 – Emil Hácha, Czech lawyer and politician, 3rd President of Czechoslovakia (d. 1945) |
| 79148 | July 12 | Birth | 1876 – Max Jacob, French poet, painter, and critic (d. 1944) |
| 79149 | July 12 | Birth | 1878 – Peeter Põld, Estonian scientist and politician, 1st Estonian Minister of Education (d. 1930) |
| 79150 | July 12 | Birth | 1880 – Tod Browning, American actor, director, and screenwriter (d. 1962) |
| 79151 | July 12 | Birth | 1884 – Louis B. Mayer, Belarusian-American film producer, co-founded Metro-Goldwyn-Mayer (d. 1957) |
| 79152 | July 12 | Birth | 1884 – Amedeo Modigliani, Italian painter and sculptor (d. 1920) |
| 79153 | July 12 | Birth | 1886 – Jean Hersholt, Danish-American actor and director (d. 1956) |
| 79154 | July 12 | Birth | 1892 – Bruno Schulz, Ukrainian-Polish author and painter (d. 1942) |
| 79155 | July 12 | Birth | 1895 – Kirsten Flagstad, Norwegian soprano (d. 1962) |
| 79156 | July 12 | Birth | 1895 – Buckminster Fuller, American architect and engineer, designed the Montreal Biosphère (d. 1983) |
| 79157 | July 12 | Birth | 1895 – Oscar Hammerstein II, American director, producer, and songwriter (d. 1960) |
| 79158 | July 12 | Birth | 1900 – Chhabi Biswas, Indian actor and director (d. 1962) |
| 79159 | July 12 | Birth | 1902 – Günther Anders, German philosopher and journalist (d. 1992) |
| 79160 | July 12 | Birth | 1904 – Pablo Neruda, Chilean poet and diplomat, Nobel Prize laureate (d. 1973) |
| 79161 | July 12 | Birth | 1906 – Pietro Tordi, Italian actor (d. 1990) |
| 79162 | July 12 | Birth | 1907 – Weary Dunlop, Australian colonel and surgeon (d. 1993) |
| 79163 | July 12 | Birth | 1908 – Milton Berle, American comedian, actor, and singer (d. 2002) |
| 79164 | July 12 | Birth | 1908 – Alain Cuny, French actor (d. 1994) |
| 79165 | July 12 | Birth | 1908 – Paul Runyan, American golfer and sportscaster (d. 2002) |
| 79166 | July 12 | Birth | 1909 – Joe DeRita, American actor (d. 1993) |
| 79167 | July 12 | Birth | 1909 – Motoichi Kumagai, Japanese photographer and illustrator (d. 2010) |
| 79168 | July 12 | Birth | 1909 – Fritz Leonhardt, German engineer, designed Fernsehturm Stuttgart (d. 1999) |
| 79169 | July 12 | Birth | 1909 – Herbert Zim, American naturalist, author, and educator (d. 1994) |
| 79170 | July 12 | Birth | 1911 – Evald Mikson, Estonian footballer (d. 1993) |