Queen Margrethe II became the first Queen of Denmark since 1412.
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Jennifer Lopez scored her first UK No.1 single with 'Love Don't Cost A Thing.'
Norway was ceded to Sweden by King Frederik VI of Denmark.
Elizabeth Bennet became the first woman to give birth by a Cesarean section in the United States.
Inventor John Hyatt registered cellulose nitrate (celluloid) as a trademark.
An accidental explosion aboard the USS Enterprise near Hawaii killed 28 people.
