Inventor Alan Clark was granted his patent for the telescope.
Source
The Manchester Ship Canal started its construction in Eastham, England.
German polymath Gottfried Wilhelm Leibniz demonstrated integral calculus for the first time.
British writer J. R. R. Tolkien, famous for writing The Lord of The Rings fantasy novels, published his second volume of the series, The Two Towers.
Daniel McCree patented the portable fire escape in the US.
Canada's second-largest city, Montreal, started dumping untreated waste in the Saint Lawrence River.
