The first scientific hand-held calculators (HP-35) hit the markets with a hefty price tag at $395.
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Voice of America, the US' official external radio and television service, began broadcasting.
Isaac Briggs & William Longstreet was awarded a patent for the first steamboat in the US.
Mary Queen of Scots received the death sentence from cousin Queen Elizabeth I.
Martin Luther King Jr. and 250 protestors were arrested.
NBC-TV premiered ''Late Night with David Letterman."
