The clarinet was invented in Nuremberg, Germany, by Johann Christoph Denner.
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Queen Margrethe II became the first Queen of Denmark since 1412.
US President Jimmy Carter expressed his support for Martin Luther King's birthday to become a national holiday.
Blue Origin's New Shepherd rocket successfully launched on its 14th flight from Launch Site One, Texas.
Segregation of races on public transport became illegal as ruled by US Supreme Court.
David Jones changed his name to David Bowie and released his first single, 'Can't Help Thinking About Me.'
