The foundations for the Tower of Pisa were placed in Italy.
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The Free Soil Party was formed by 465 delegates in Buffalo.
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.
The virtual pet video game, Seaman, was released on the Dreamcast in North America.
An inflatable chicken that resembled US President Donald Trump was placed outside the US White House as part of a political protest.
