Robert Walpole gained the title of first Prime Minister of Britain.
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Ted Kaczynski, The Unabomber, was caught and arrested.
Robert Ford killed American outlaw Jesse James in St Joseph, Missouri.
11.5 million private documents were leaked and became known as The Panama Papers.
The world's first portable computer was announced at the West Coast Computer Faire.
The Australian boy band 5 Seconds of Summer formed.
