Today is the 135th day of 2013 and the 57th day of spring.
TODAY'S HISTORY: In 1918, the United States launched its first regular airmail service.
In 1940, the first McDonald's restaurant opened in San Bernadino, Calif.
In 1972, Alabama Gov. George Wallace was shot and left permanently paralyzed below the waist while campaigning for the Democratic presidential nomination in Maryland.
In 2010, 16-year-old Jessica Watson of Australia became the youngest person to sail solo, non-stop and unassisted around the world.
TODAY'S BIRTHDAYS: L. Frank Baum (1856-1919), writer; Pierre Curie (1859-1906), physicist; Richard J. Daley (1902-1976), politician; Jasper Johns (1930- ), artist; Madeleine Albright (1937- ), former secretary of state; Roger Ailes (1940- ), news executive; Brian Eno (1948- ), musician; Chazz Palminteri (1952- ), actor; George Brett (1953- ), baseball player; Emmitt Smith (1969- ), football player; Ray Lewis (1975- ), football player.
TODAY'S FACT: Former U.S. presidents and their spouses enjoy lifetime mail "franking" privileges, meaning their mail can be sent without postage, provided it is nonpolitical.
TODAY'S SPORTS: In 2004, Smarty Jones won the Preakness Stakes thoroughbred horse race by a record margin of 11 1/2 lengths.
TODAY'S QUOTE: "I believe that dreams -- day dreams, you know, with your eyes wide open and your brain machinery whizzing -- are likely to lead to the betterment of the world." -- L. Frank Baum
TODAY'S NUMBER: 21 -- years that Richard J. Daley served as mayor of Chicago (1955-1976). His son, Richard M. Daley, was mayor of Chicago for a record 22 years (1989-2011).
TODAY'S MOON: Between new moon (May 9) and first quarter moon (May 17).