Queen Margrethe II became the first Queen of Denmark since 1412.
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An accidental explosion aboard the USS Enterprise near Hawaii killed 28 people.
Norway was ceded to Sweden by King Frederik VI of Denmark.
The Today Show aired for the first time on NBC-TV with Dave Garroway and Jack Lescoulie as hosts.
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.