Today is Saturday, May 15, the 135th day of 2010. There are 230 days left in the year.
1618 _ Johannes Kepler discovers harmonics law
1672 _ First copyright law enacted by Massachusetts
1905 _ Las Vegas, Nev., founded
1928 _ Mickey Mouse made his first appearance
1940 _ Nylon stockings go on sale for first time (U.S.)
1944 _ Eisenhower, Montgomery, Churchill and George VI discuss D-Day plan
1948 _ 28-year-old British mandate over Palestine ends
1970 _ Beatles' last LP ``Let It Be" is released in U.S.
1988 _ Moscow begins withdrawing its 115,000 troops in Afghanistan
1989 _ Soviet President Gorbachev in Beijing for first Sino-Soviet summit in 30 years