Portal:History of science/Selected anniversaries/June 14
- 1444 (O.S.) - Birth of Nilakantha Somayaji, Indian mathematician (d. 1544)
- 1726 - Birth of James Hutton, Scottish geologist (d. 1797)
- 1736 - Birth of Charles Augustin de Coulomb, French physicist (d. 1806)
- 1746 - Death of Colin Maclaurin, Scottish mathematician (b. 1698)
- 1856 - Birth of Andrey Markov, Russian mathematician (d. 1922)
- 1868 - Birth of Karl Landsteiner, Austrian biologist, physician, and Nobel Prize laureate (d. 1943)
- 1903 - Birth of Alonzo Church, American mathematician and logician (d. 1995)
- 1917 - Birth of Atle Selberg, Norwegian mathematician
- 1920 - Death of Max Weber, German sociologist (b. 1864)
- 1962 - The European Space Research Organisation is established in Paris—later becoming the European Space Agency.
- 1967 - Mariner 5 is launched toward Venus.
- 1967 - The People's Republic of China tests its first hydrogen bomb.