Happy 33rd Anniversary to my dear wife, Melanie! 1783: Englishman William Sturgeon, who devised the first electromagnet capable of supporting more than its own weight, was born. 1849: Abraham Lincoln received a patent for the floating dry dock. 1859: Sir Arthur Conan Doyle, of Sherlock Holmes fame, was born. 1891: The first public motion picture was shown in Thomas Edison's lab. 1908: The Wright Brothers registered their flying machine for a U.S. patent. 1973: Robert Metcalfe wrote a memo at Xerox describing a data transfer protocol for what he termed the "Ethernet." 1983: My dear wife, Melanie (Sue Goodwin), and I were married - Happy 29th Anniversary! 1990: Microsoft released Windows 3.0. 1992: Johnny Carson hosted the "Tonight Show" for the last time, telling his audience, "I bid you a very heartfelt good night." 1995: Two new moons were discovered orbiting Saturn using the Hubble Space Telescope. 2007: The European Space Policy was formalized as a joint effort between the ESA and the EU.