Isaac Briggs & William Longstreet was awarded a patent for the first steamboat in the US.
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Thomas Edison completed the world's first movie studio in West Orange, New Jersey.
Joe Biden and his wife, Jill, founded the 'Biden Foundation.'
Voice of America, the US' official external radio and television service, began broadcasting.
An atomic bomb explosion was aired on TV for the first time.
The first volume of the Oxford English Dictionary was published.
