A data breach at JP Morgan Chase and six other institutions caused 83 million accounts to be compromised.
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The last Prince of Wales, Dafydd ap Gruffudd, was the first person recorded to have been hanged, drawn, and quartered.
A Neptune-sized exomoon became the first one discovered outside the Solar System.
Muhammed VII became the twelfth sultan of the Emirate of Granada.
WERD, the first African-American-owned radio station in the US, made its first broadcast.
ABC aired the first episode of 'The Mickey Mouse Club.'