Template:Selected anniversaries/March 20: Difference between revisions

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||1922 – The USS Langley is commissioned as the first United States Navy aircraft carrier.
||1922 – The USS Langley is commissioned as the first United States Navy aircraft carrier.


||1928 – James P. Gordon, American physicist and engineer (d. 2013)
||1928 – James P. Gordon, American physicist and engineer (d. 2013) known for his work in the fields of optics and quantum electronics. His contributions include the design, analysis and construction of the first maser in 1954 as a doctoral student at Columbia University under the supervision of C. H. Townes, development of the quantal equivalent of Shannon’s information capacity formula in 1962, development of the theory for the diffusion of atoms in an optical trap (together with A. Ashkin) in 1980, and the discovery of what is now known as the Gordon-Haus effect in soliton transmission, together with H. A. Haus in 1986.


||1933 – Giuseppe Zangara is executed in Florida's electric chair for fatally shooting Anton Cermak in an assassination attempt against President-Elect Franklin D. Roosevelt.
||1933 – Giuseppe Zangara is executed in Florida's electric chair for fatally shooting Anton Cermak in an assassination attempt against President-Elect Franklin D. Roosevelt.

Revision as of 18:36, 7 February 2018