Inventor Otis Tufts patented the first elevator in the US.
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American sea Captain Robert Gray returned to Boston after a three-year journey commanding the ship Columbia Rediviva.
The USSR launched the Mars 7 spacecraft from the Baikonur Cosmodrome in modern-day Kazakhstan.
Inventor Robert Fulton tested his 66-foot long boat on River Seine in Paris, France.
An inflatable chicken that resembled US President Donald Trump was placed outside the US White House as part of a political protest.
Vice President Gerald Ford was sworn in as the 38th President of the United States after Richard Nixon handed in his resignation.
