1913 Mona Lisa recovered in Florence
1964 Kenya becomes a republic
1980 Software was now considered an invention and could be patented.
1799 George Washington dies
1900 The birth of quantum theory
1926 TILT-A-WHIRL, the famous theme park ride, was trademark registered.
1791 Bill of rights is finally ratified
1964 Patent #3,161,861 was granted to Kenneth Olsen for “magnetic core memory” (first used in a minicomputer.)
1935 The movie “A Tale of Two Cities” was copyright registered.