Led Zeppelin started their first tour at Ulster Hall, Belfast, UK.
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Colorado became the birthplace of the cheeseburger.
Soviet leader Joseph Stalin died in his home after suffering from a stroke.
Nikola Tesla tried to explain how the phenomenon of ball lightning works.
The world's favorite paper joiner, the stapler was patented by C. H. Gould in England.
The battle of the Ruhr campaign began during WWII with an air raid in Essen, Germany.
