United States and American History: 1947
About the history of the United States in 1947, the term cold war coined, the un-american activities committee begins, first supersonic flight, scientists make rain.
--Financier Bernard Baruch named the power struggle taking place between the East and West when he said: "We are in the midst of a cold war".
Mar. 22 President Truman signed Executive Order 9835. It called for a loyalty investigation of all Federal employees. Of 3 million, 308 were fired as "security risks." Only one was arrested on spying charges: Judith Coplon. She was convicted twice, but released because of illegal FBI telephone taps.
The House Committee on Un-American Activities collected a file with over one million names of known or suspected Communists, "fellow travelers," "dupes," and "bleeding-heart liberals."
May 11 B.F. Goodrich Tire Company of Akron, O., announced production of the tubeless tire, designed to seal itself if punctured. The company ran road tests in Indiana, Ohio, West Virginia, and Kentucky, before making them available nationally.
Oct. 14 Air Force Captian Charles Yeager, flying the Bell X-1, exceeded the speed of sound to become the world's 1st supersonic flyer.
Oct. 29 Conducting experiments on the control of weather, the General Electric Company used dry ice to "seed" cumulus clouds at Concord, N.H. It produced rain.
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