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On this day: June 20

Published On: Jun 18 2013 05:25:54 PM CDT   Updated On: Jun 20 2013 01:00:00 AM CDT

Lizzie Borden is acquitted of giving her mother "40 whacks," the U.S. Army Air Force is formed, the "red telephone" hotline is established, "Leave it to Beaver" airs its final episode, and "Jaws" has moviegoers reconsidering their beach vacations, all on this day.

OTD June 20 - red telephone
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Larry Downing/Reuters

1963: The Moscow-Washington hotline, which became known in pop culture as the "red telephone," is established between the Soviet Union and the United States following the Cuban Missile Crisis. Despite its popular name, the hotline was never a telephone line and no red phones were used. The system first used teletype equipment, which was replaced by facsimile units in 1988 and a secure computer link for email in 2008. The hotline transmitted its first test messages on Aug. 30, 1963, with Washington sending Moscow the text "The quick brown fox jumped over the lazy dog's back 1234567890" to ensure all the keys on the teletypes were in working order. The Soviets sent back a poetic description of Moscow's setting sun.

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