The Civil Marriage Act was introduced, making same-sex marriage legal in Canada.
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Isaac Briggs & William Longstreet was awarded a patent for the first steamboat in the US.
King Carlos I of Portugal and his heir were assassinated in Lisbon.
Martin Luther King Jr. and 250 protestors were arrested.
Joe Biden and his wife, Jill, founded the 'Biden Foundation.'
An atomic bomb explosion was aired on TV for the first time.
