1918 in science,
other events of 1919,
1920 in science and the
list of 'years in science'.
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
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 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.
January 23 - Hans Haas, future zoologist and oceanographer
April 4 - Sir William Crookes, chemist and physicist
Johannes Stark is awarded the Nobel Prize for Physics
Jules Bordet is awarded the Nobel Prize for Medicine