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The year 1919 in science and technology

1 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

2 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 ReadAlbert Cushing Read ( 29 March, 1887 10 October, 1967) was a United States aviator and Rear Admiral in the United States Navy. Read was born in Lyme, New Hampshire into a Boston Brahmin family. He attended the U. Naval Academy at Annapolis, graduating in departs Trepassey, NewfoundlandThis is about the island in Canada. For the Canadian province of Newfoundland see Newfoundland and Labrador. For other meanings of Newfoundland see Newfoundland (disambiguation). Newfoundland is a large island off the north-east coast of North America, an, for LisbonLisbon (in Portuguese, Lisboa is the capital and largest city of Portugal. It is the seat of the district of Lisbon. Geography and Location Lisbon is situated at 38 degrees, 43 minutes north, and 9 degrees, 8 mintes west. It is located in the west of the via the AzoresThe Azores (or Acores in Portuguese) are an archipelago of Portuguese islands situated in the middle of the Atlantic Ocean, about 1,500 km from Lisbon and about 3,900 km from the east coast of North America. The nine Azorean Islands extend for more than 6 on the first transatlanticFor the similarly named rock band, see TransAtlantic. The term transatlantic refers to something occurring across the Atlantic Ocean. Most often, this refers to the exchange of passengers, cargo, information, or communication between the United States and flight
• John AlcockSir John William Alcock ( November 5, 1892- 18 December 1919) was, as a Captain in the Royal Air Force together with Lieutenant Arthur Whitten Brown, the pilot of the first successful non-stop transatlantic flight, from St. John's, Newfoundland to Clifden and Arthur Whitten BrownSir Arthur Whitten Brown ( July 23, 1886 October 4, 1948) was, as a Lieutenant in the Royal Air Force together with Captain John Alcock, the navigator of the first successful non-stop transatlantic flight, from St John's, Newfoundland to Clifden, Connemar 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.