1919 in science
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See also:
Other events of 1919
List of years in science
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1918 in science
1919 in science
1920 in science
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The year 1919 in science and technology
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Physics
- Einstein's theory of general relativity confirmed by Arthur Eddington's observation of a total eclipse of the Sun
- James Jeans discovers that the dynamical constants of motion determine the distribution function for a system of particles
Technology
- XWA (now CFCF),in Montreal, Quebec is the first public radio station in North America to go the air.
- US Navy Naval Curtiss aircraft NC-4 commanded by Albert Cushing Read departs Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight
- John Alcock and Arthur Whitten Brown depart St. John's, Newfoundland on the first nonstop transatlantic flight
- The British dirigible R-34 lands in New York, completing the first crossing of the Atlantic by an airship.
Nobel Prizes
- Johannes Stark is awarded the Nobel Prize for Physics
- Jules Bordet is awarded the Nobel Prize for Medicine
Births
- January 23 - Hans Hass, zoologist and oceanographer
Deaths
- February 19 - Frederick DuCane Godman (b. 1834), lepidopterist, entomologist and ornithologist.
- April 4 - Sir William Crookes (b. 1832), chemist and physicist.
- June 30 - John William Strutt, 3rd Baron Rayleigh (b. 1842), Nobel Prize-winning physicist.
- August 8 - Ernst Haeckel (b. 1834), zoologist.