September 1947


Tuesday 09:

"First actual case of (a computer) bug being found": a moth lodges in a relay of a Mark II computer at Harvard University.



Friday 12:

The U.S. Screen Actors Guild implements an anti-Communist loyalty oath



Monday 15:

RCA releases the 12AX7 vacuum tube.



Wednesday 17:

James V. Forrestal was sworn in as the first Secretary of Defense of United States.



Thursday 18:

1947 - The United States Air Force is created seperate from the United States Army.



Tuesday 30:

Baseball: The World Series, featuring New York Yankees and the Brooklyn Dodgers, is televised for the first time.



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