Bill Gates and Paul Allen founded Microsoft.
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Martin Luther King Jr. was assassinated.
The 21st Commonwealth Games officially began on the Gold Coast, Queensland, Australia.
US Congress released a US flag that featured 20 stars and 13 red and white stripes.
Finland officially joined NATO, becoming the 31st member of the security alliance.
Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
