TODAY IN HISTORY

On Sept. 11, 1936, Boulder Dam (now Hoover Dam) began operation as President Franklin D. Roosevelt pressed a key in Washington to signal the startup of the dam’s first hydroelectric generator.

In 1941, in a speech that drew accusations of anti-Semitism, Charles A. Lindbergh told an America First rally in Des Moines, Iowa, that “the British, the Jewish and the Roosevelt administration” were pushing the United States toward war.

In 1967, the comedy-variety program “The Carol Burnett Show” premiered on CBS.*

In 1997, Scots voted to create their own Parliament after 290 years of union with England.

In 2001, nearly 3,000 people were killed as 19 al-Qaida hijackers seized control of four jetliners, sending two of the planes into New York’s World Trade Center, one into the Pentagon and the fourth into a field in western Pennsylvania.