The US Defense Secretary announced that the US Military would open all combat roles to women.
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The original PlayStation was launched in Japan.
The first pizza party was held in space.
Agatha Christie mysteriously disappeared for 11 days.
The 70th anniversary of NATO was marked by a gathering in London of world leaders, followed by a reception by Elizabeth II at Buckingham Palace.
Spotify announced Drake as the most-streamed star of the 2010s with 28 billion streams, and Ed Sheeran's 'Shape Of You' as the most-streamed track with 2.4 billion streams.
