Physics History By jasonlewis26 Jul 1, 1632 Principle of relativity Gallileo describes general relativity. The laws of physics are the same in all inertial frames. Jan 1, 1839 Disproving different electricities Farraday's electromagnetism experiments that there is only one type of electricity Period: Jan 1, 1905 to Dec 31, 1905 Speial Relativity Einstein publishes his theory of special relativity