Template:Selected anniversaries/May 13: Difference between revisions

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||1939 – The first commercial FM radio station in the United States is launched in Bloomfield, Connecticut. The station later becomes WDRC-FM.
||1939 – The first commercial FM radio station in the United States is launched in Bloomfield, Connecticut. The station later becomes WDRC-FM.
File:Stanisław Leśniewski.jpg|link=Stanisław Leśniewski (nonfiction)|1939: Mathematician, philosopher, and logician [[Stanisław Leśniewski (nonfiction)|Stanisław Leśniewski]] dies. He posited three nested formal systems, to which he will give the Greek-derived names of protothetic, ontology, and mereology.


||1957 – Michael Fekete, Hungarian-Israeli mathematician and academic (b. 1886)
||1957 – Michael Fekete, Hungarian-Israeli mathematician and academic (b. 1886)

Revision as of 13:25, 15 November 2017