King Carlos I of Portugal and his heir were assassinated in Lisbon.
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Isaac Briggs & William Longstreet was awarded a patent for the first steamboat in the US.
Martin Luther King Jr. and 250 protestors were arrested.
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.
Mary Queen of Scots received the death sentence from cousin Queen Elizabeth I.
