The US Defense Secretary announced that the US Military would open all combat roles to women.
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Agatha Christie mysteriously disappeared for 11 days.
Illinois became the 21st state to join the United States of America.
Neon lighting was first demonstrated at the Paris Motor Show by Georges Claude.
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.
The Grand Union Flag flew for the first time with the commissioning of the USS Alfred.
