1919 in science

1919 in science and technology

See also: 1918 in science, other events of 1919, 1920 in science and the list of 'years in science'.

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.

Births

• January 23 - Hans Hass, zoologist and oceanographer

Deaths

• April 4 - Sir William Crookes, chemist and physicist

Nobel Prizes

• Johannes Stark is awarded the Nobel Prize for Physics
• Jules Bordet is awarded the Nobel Prize for Medicine