The Civil Marriage Act was introduced, making same-sex marriage legal in Canada.
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Joe Biden and his wife, Jill, founded the 'Biden Foundation.'
MP's in the UK voted in favor of triggering the European Union Bill (Article 50), which gave the government the power to prepare to leave the European Union.
The first scientific hand-held calculators (HP-35) hit the markets with a hefty price tag at $395.
Mary Queen of Scots received the death sentence from cousin Queen Elizabeth I.
Voice of America, the US' official external radio and television service, began broadcasting.