Events

1969 - Apollo Program: Apollo 11 lands on the Moon.

1976 - The Viking 1 lander successfully lands on Mars.

1994 - Comet Shoemaker-Levy 9’s Fragment Q1 hits Jupiter.

Births

1797 - Sir Paweł Edmund Strzelecki, Polish explorer and geologist

1822 - Gregor Mendel, father of modern genetics

1897 - Tadeus Reichstein, Polish-born chemist, Nobel Prize in Physiology or Medicine laureate

1909 - Jean Focas, Greco-French astronomer

1947 - Gerd Binnig, German-born physicist, Nobel Prize laureate

Deaths

1937 - Guglielmo Marconi, Italian inventor, recipient of the Nobel Prize in Physics