19th Century European Inventions By jusmadmax Mar 20, 1800 Battery is invented On March 20, 1800 Count Alessandro Volta invented the voltic pile which all modern batteries are now based on. Feb 13, 1819 Rene Laennec invents Stephoscope Aug 1, 1824 William Sturgeon invents the electromagnet Dec 1, 1856 Louis Pasteur develops Pasteurization
