Nikola Tesla tried to explain how the phenomenon of ball lightning works.
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The world's favorite paper joiner, the stapler was patented by C. H. Gould in England.
Colorado became the birthplace of the cheeseburger.
A tropical storm named Irina on the island of Madagascar killed 65 people.
The battle of the Ruhr campaign began during WWII with an air raid in Essen, Germany.
Led Zeppelin started their first tour at Ulster Hall, Belfast, UK.
