Led Zeppelin started their first tour at Ulster Hall, Belfast, UK.
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Beethoven's 4th Symphony in B was performed for the first time.
Willcom announced the world's smallest and lightest phone.
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 Boston Massacre occurred.
