| 75721 | July 3 | Birth | 1423 – Louis XI of France (d. 1483) |
| 75722 | July 3 | Birth | 1442 – Emperor Go-Tsuchimikado of Japan (d. 1500) |
| 75723 | July 3 | Birth | 1518 – Li Shizhen, Chinese physician and mineralogist (d. 1593) |
| 75724 | July 3 | Birth | 1530 – Claude Fauchet, French historian and author (d. 1601) |
| 75725 | July 3 | Birth | 1550 – Jacobus Gallus, Slovenian composer (d. 1591) |
| 75726 | July 3 | Birth | 1590 – Lucrezia Orsina Vizzana, Italian singer, organist, and composer (d. 1662) |
| 75727 | July 3 | Birth | 1676 – Leopold I, Prince of Anhalt-Dessau (d. 1747) |
| 75728 | July 3 | Birth | 1685 – Sir Robert Rich, 4th Baronet, English field marshal and politician (d. 1768) |
| 75729 | July 3 | Birth | 1728 – Robert Adam, Scottish-English architect, designed Culzean Castle (d. 1792) |
| 75730 | July 3 | Birth | 1743 – Sophia Magdalena of Denmark (d. 1813) |
| 75731 | July 3 | Birth | 1789 – Johann Friedrich Overbeck, German-Italian painter and engraver (d. 1869) |
| 75732 | July 3 | Birth | 1846 – Achilles Alferaki, Russian composer and politician, Governor of Taganrog (d. 1919) |
| 75733 | July 3 | Birth | 1851 – Charles Bannerman, English-Australian cricketer and umpire (d. 1930) |
| 75734 | July 3 | Birth | 1854 – Leoš Janáček, Czech composer and theorist (d. 1928) |
| 75735 | July 3 | Birth | 1860 – Charlotte Perkins Gilman, American sociologist and author (d. 1935) |
| 75736 | July 3 | Birth | 1866 – Albert Gottschalk, Danish painter (d. 1906) |
| 75737 | July 3 | Birth | 1869 – Svend Kornbeck, Danish actor (d. 1933) |
| 75738 | July 3 | Birth | 1870 – R. B. Bennett, Canadian lawyer and politician, 11th Prime Minister of Canada (d. 1947) |
| 75739 | July 3 | Birth | 1874 – Jean Collas, French rugby player and tug of war competitor (d. 1928) |
| 75740 | July 3 | Birth | 1875 – Ferdinand Sauerbruch, German surgeon and academic (d. 1951) |
| 75741 | July 3 | Birth | 1876 – Ralph Barton Perry, American philosopher and academic (d. 1957) |
| 75742 | July 3 | Birth | 1878 – George M. Cohan, American actor, singer, and dancer (d. 1942) |
| 75743 | July 3 | Birth | 1879 – Alfred Korzybski, Polish-American mathematician, linguist, and philosopher (d. 1950) |
| 75744 | July 3 | Birth | 1880 – Carl Schuricht, Polish-German conductor (d. 1967) |
| 75745 | July 3 | Birth | 1883 – Franz Kafka, Czech-Austrian author (d. 1924) |
| 75746 | July 3 | Birth | 1886 – Raymond A. Spruance, American admiral and diplomat, United States Ambassador to the Philippines (d. 1969) |
| 75747 | July 3 | Birth | 1888 – Ramón Gómez de la Serna, Spanish author and playwright (d. 1963) |
| 75748 | July 3 | Birth | 1893 – Sándor Bortnyik, Hungarian painter and graphic designer (d. 1976) |
| 75749 | July 3 | Birth | 1893 – Mississippi John Hurt, American singer-songwriter and guitarist (d. 1966) |
| 75750 | July 3 | Birth | 1896 – Doris Lloyd, English-American actress (d. 1968) |