King Carlos I of Portugal and his heir were assassinated in Lisbon.
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An atomic bomb explosion was aired on TV for the first time.
Thomas Edison completed the world's first movie studio in West Orange, New Jersey.
Isaac Briggs & William Longstreet was awarded a patent for the first steamboat in the US.
Martin Luther King Jr. and 250 protestors were arrested.
Joe Biden and his wife, Jill, founded the 'Biden Foundation.'
