Today is the 275th day of 2012 and the 10th day of autumn.
TODAY'S HISTORY: In 1800, France acquired the Louisiana Territory from Spain as part of a clandestine treaty.
In 1949, Chinese Communist Party Chairman Mao Zedong raised the flag of the People's Republic of China for the first time at a ceremony in Beijing.
In 1971, Walt Disney World opened to the public in Orlando, Fla.
In 1989, Danish activists Axel and Eigil Axgil were wed in a ceremony establishing the world's first legally recognized same-sex union.
TODAY'S BIRTHDAYS: Walter Matthau (1920-2000), actor; Jimmy Carter (1924- ), 39th U.S. president; William Rehnquist (1924-2005), United States chief justice; Tom Bosley (1927-2010), actor; Julie Andrews (1935- ), actress; Rod Carew (1945- ), baseball player; Tim O'Brien (1946- ), writer; Esai Morales (1962- ), actor; Mark McGwire (1963- ), baseball player; Zach Galifianakis (1969- ), actor/comedian.
TODAY'S SPORTS: In 1961, Roger Maris hit his 61st home run of the season, breaking the single-season record that had been held by Babe Ruth since 1927.
TODAY'S FACT: 86 percent of American women and 81 percent of American men will marry at least once before age 40.
TODAY'S QUOTE: "War may sometimes be a necessary evil. But no matter how necessary, it is always an evil, never a good." -- Jimmy Carter
TODAY'S NUMBER: $3.50 -- adult ticket price at Walt Disney World's Magic Kingdom the day it opened in 1971. The lowest one-day ticket price (age 10 and up) in 2012 was $89.
TODAY'S MOON: Between full moon (Sept. 29) and last quarter (Oct. 8).