Martin Luther King Jr. was assassinated.
He was shot at the Lorraine Motel in Memphis, Tennessee, by James Earl Ray.
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The Declaration of Breda document was issued by the exiled King Charles II of England.
Finland officially joined NATO, becoming the 31st member of the security alliance.
The Kangra earthquake in India killed over 20,000 people.
The 21st Commonwealth Games officially began on the Gold Coast, Queensland, Australia.
The Pink Star Diamond sold for a record USD 71 million in Hong Kong.