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January – The FCC has public hearings concerning television.
February 25 – The first ice hockey game is televised in the United States, the New York Rangers vs Montreal Canadiens, from Madison Square Garden on W2XBS-TV.
February 28 – The first basketball game is televised, from Madison Square Garden: Fordham University vs the University of Pittsburgh.
March 10 – The Metropolitan Opera broadcast for the first time from NBC studios at Rockefeller Center an abridged performance of the first act of Pagliacci, along with excerpts from four other operas.
March 15 – RCA reduces the price of television sets.
May 21 – Bell Telephone Laboratories transmits a 441-line video signal, with a bandwidth of 2.7 MHz, by coaxial cable from New York to Philadelphia and back.
June – W2XBS in New York (NBC) covers the Republican National Convention from Philadelphia, Pennsylvania for 33 hours, during a five-day period. The signal is transmitted via coaxial cable.
August 1 - W2XBS goes out of commission from 1 August 1940 until the 28th of October 1940 while the transmitter is adjusted from 441-line picture to 507-line picture. [1][2]
September 3 – CBS resumes its television transmissions with the first demonstration of high definition color TV, by W2XAB, transmitting from the Chrysler Building.
Debuts[]
February 21 - NBC News with Lowell Thomas, a simulcast of Lowell Thomas’ daily radio newscast, debuts on W2XBS (NBC) (1940).[1]
March 27- The Esso Television Reporter debuts on W2XBS (NBC) (1940). [2]
July 8 - Boxing from Jamaica Arena debuts on W2XBS (NBC) (1940-42).[3]