1932    A vaccine for yellow fever is announced for use on humans.

1954    In Sylacauga, Alabama, United States, the Hodges Meteorite crashes through a roof and hits a woman taking an afternoon nap in the only documented case of a human being hit by a rock from space.

1960    Joseph Kittinger parachutes from a balloon over New Mexico at {{convert|102800|ft|m}}, setting three records that still stand today: High-altitude jump, free-fall, and highest speed by a human without an aircraft.

1961    Yuri Gagarin becomes the first human to travel into outer space, in Vostok 3KA-2 (Vostok 1). thumb

1969    Apollo program: Apollo 12 astronauts Pete Conrad and Alan Bean land at Oceanus Procellarum (the "Ocean of Storms") and become the third and fourth humans to walk on the Moon.

2003    Human evolution: The journal Nature reports that 350,000-year-old footprints of an upright-walking human have been found in Italy.