June 14

Today is Flag Day in the U.S. 1736: Charles-Augustin de Coulomb, after whom the unit of charge is named, was born. 1832: Nikolaus Otto, developer of the 4-cycle internal combustion engine, was born. 1834: The first patent for sandpaper was issued. 1864: Alois Alzheimer, who discovered the disease named after him, was born. 1922: Warren G. Harding became the first president heard on radio, as Baltimore station WEAR broadcast his speech dedicating the Francis Scott Key memorial at Fort McHenry. 1933: The first sodium vapor lamps were installed in Schenectady, NY. 1940: German forces occupied Paris during World War II. 1950: The FBI's "10 Most Wanted Fugitives" program began. 1951: The Univac 1 was unveiled in Washington, DC. and dedicated as the world's first commercial digital computer. 1952: The keel was laid for the first American atomic submarine, the Nautilus. 1982: Argentina surrendered to Great Britain, ending the 74-day Falkland Islands War. 1989: Ronald Reagan was given honorary knighthood by Queen Elizabeth.  1995: A record 13 people were in space simultaneously when the Space Shuttle joined MIR.