NASA launched the Gemini program’s tenth and final crewed spacecraft, Gemini 12.
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Inventor Alan Clark was granted his patent for the telescope.
Pope Innocent III brought together the council for the Fourth Council of the Lateran, which was held at the Lateran Palace in Rome, Italy.
Daniel McCree patented the portable fire escape in the US.
The Manchester Ship Canal started its construction in Eastham, England.
German polymath Gottfried Wilhelm Leibniz demonstrated integral calculus for the first time.
