Events
1975 - Apollo-Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
1976 - Viking 1 successfully lands on Mars.
1998 - Biologists report how they sequenced the genome of the bacterium that causes syphilis, Treponema pallidum (above).
Births
1920 - Gordon Gould, inventor of the laser
1955 - Paul Stamets, American mycologist and environmentalist
Deaths
1894 - Josef Hyrtl, Austrian anatomist
1912 - Henri Poincaré, French mathematician
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Events
1956 - Videotape is first demonstrated at the NARTB (now NAB) convention
1958 - The Soviet satellite Sputnik 2 falls from orbit after a mission duration of 162 days.
1970 - One of Apollo 13's oxygen tanks explodes, causing a cancelled moon mission.
1981 - The first operational space shuttle…
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 PaweÅ Edmund Strzelecki, Polish explorer and geologist
1822 - Gregor Mendel, father of modern genetics
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Events
1885 - The first successful appendectomy is performed by William W. Grant.
1958 - Sputnik 1 falls to Earth from its orbit
1959 - Luna 1 becomes the first spacecraft to reach the vicinity of the Moon.
2004 - Spirit, a NASA Mars Rover, lands successfully on Mars
Births
1643 - Isaac Newton,…
"The scientist does not study nature because it is useful to do so. He studies it because he takes pleasure in it, and he takes pleasure in it because it is beautiful. If nature were not beautiful it would not be worth knowing, and life would not be worth living."
Births
1854 - Henri Poincaré,…