The Civil Marriage Act was introduced, making same-sex marriage legal in Canada.
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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.
House of Cards, starring Kevin Spacey, was released as a Netflix Original.
The first volume of the Oxford English Dictionary was published.
King Carlos I of Portugal and his heir were assassinated in Lisbon.
Voice of America, the US' official external radio and television service, began broadcasting.
