Moments in Time
The History Channel

+ On Sept. 7, 1776, during the Revolutionary War, the American submersible craft Turtle attempts to attach a time bomb to the hull of British Admiral Richard Howe's flagship, Eagle, in New York Harbor. It was the first use of a submarine in warfare.

+ On Sept. 5, 1882, the first Labor Day holiday is celebrated as a tribute to the toil and achievements of the nation's workers. Labor Day became an official holiday in 1894.

+ On Sept. 6, 1901, President William McKinley is shot at point-blank range by anarchist Leon Czolgosz at the Pan-American Exposition in Buffalo, N.Y. McKinley lived for another week before succumbing to a gangrene infection on Sept. 14.

+ On Sept. 8, 1926, silentfilm star Greta Garbo stands up her fiance, actor John Gilbert, at the altar. The Swedish actress had made her U.S. film debut in "The Torrent" a few months earlier. Despite Garbo's cold feet, their romance continued for another three years.

+ On Sept. 9, 1939, audiences at the Fox Theater in Riverside, Calif., are treated to a surprise showing of "Gone with the Wind," which the theater manager shows as a second feature. David O. Selznick sat in the back and observed the audience reaction to his highly anticipated film. The movie was released a few months later.