The final episode of Monty Python’s “Flying Circus” season 3 was aired on BBC.
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NASA's Ingenuity helicopter took off for its 72nd and final flight on Mars.
Massachusetts's Marconi Wireless Station Site successfully sent the first radio transmission between the US and Europe.
Leo II was crowned Emperor of Rome at just seven years of age.
The plans to construct the World Trade Center in New York City were announced to the public.
The first polar bear in America was exhibited in Boston.
