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Events
1965 - Mariner 4 flyby of Mars takes the first close-up photos (above) of another planet.
Births
1671 - Jacques D’Allonville, French astronomer and mathematician
1801 - Johannes Peter Müller, German physiologist
1921 - Geoffrey Wilkinson, English chemist, Nobel Prize laureate
1924 - James W. Black, Scottish pharmacologist, recipient of the Nobel Prize in Physiology or Medicine
Deaths
1907 - William Henry Perkin, English chemist
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