Singer David Bowie performed for the first time at New York City’s Carnegie Hall.
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Elon Musk announced that he was building a spaceship called Starship that would travel to Mars and return to Earth.
The science-fiction TV series 'Star Trek: The Next Generation' first aired on CBS.
The Declaration of Independence of the Mexican Empire was drafted at the National Palace in Mexico City.
Science magazine announced that half the killer whale population would likely die due to human pollution.
The Prussian government lifted a ban on Adolf Hitler's speeches.