US President Jimmy Carter expressed his support for Martin Luther King’s birthday to become a national holiday.
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Jennifer Lopez scored her first UK No.1 single with 'Love Don't Cost A Thing.'
Inventor John Hyatt registered cellulose nitrate (celluloid) as a trademark.
Norway was ceded to Sweden by King Frederik VI of Denmark.
Queen Margrethe II became the first Queen of Denmark since 1412.
The clarinet was invented in Nuremberg, Germany, by Johann Christoph Denner.
