An accidental explosion aboard the USS Enterprise near Hawaii killed 28 people.
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The clarinet was invented in Nuremberg, Germany, by Johann Christoph Denner.
US President Jimmy Carter expressed his support for Martin Luther King's birthday to become a national holiday.
The country of Georgia officially adopted the Five Cross Flag after more than five hundred years since its last use.
Blue Origin's New Shepherd rocket successfully launched on its 14th flight from Launch Site One, Texas.
Queen Margrethe II became the first Queen of Denmark since 1412.
