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.
German polymath Gottfried Wilhelm Leibniz demonstrated integral calculus for the first time.
The Manchester Ship Canal started its construction in Eastham, England.
After nearly four and a half years of cataclysmic conflict, World War I ended.
Poland became an independent country.
