Template:Selected anniversaries/December 17: Difference between revisions

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1797 – Joseph Henry, American physicist and engineer (d. 1878)
1797 – Joseph Henry, American physicist and engineer (d. 1878)
1900 – Mary Cartwright, English mathematician and academic (d. 1998)

Revision as of 11:33, 19 February 2017


1790 – Discovery of the Aztec calendar stone.

1903 – The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.

1938 – Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.

1969 – Project Blue Book: The United States Air Force closes its study of UFOs.

1778 – Humphry Davy, English chemist and physicist (d. 1829)

1797 – Joseph Henry, American physicist and engineer (d. 1878)