1833 - The village of Chicago was incorporated. The population was approximately 250.
1861 - The U.S. federal government levied its first income tax. The tax was 3% of all incomes over $800. The wartime measure was rescinded in 1872.
1864 - During the U.S. Civil War, Union forces led by Adm. David G. Farragut were led into Mobile Bay, Alabama.
1884 - On Bedloe's Island in New York Harbor, the cornerstone for the Statue of Liberty was laid.
1914 - The electric traffic lights were installed in Cleveland, Ohio.
1921 - The first play-by-play broadcast of a baseball game was done by Harold Arlin. KDKA Radio in Pittsburgh, PA described the action between the Pirates and Philadelphia.
1924 - In the New York "Daily News" debuted the comic strip "Little Orphan Annie," by Harold Gray.
1960 - For the first time two major league baseball clubs traded managers. Detroit traded Jimmy Dykes for Cleveland's Joe Gordon.
1962 - Marilyn Monroe was found dead in her home. The "probable suicide" was caused by an overdose of sleeping pills. Monroe was 36 at the time of her death.
1974 - U.S. President Nixon said that he expected to be impeached. Nixon had ordered the investigation into the Watergate break-in to halt.
1992 - Federal civil rights charges were filed against four Los Angeles police officers. The officers had been acquitted on California State charges. Two of the officers were convicted and jailed on violation of civil rights charges.
1999 - Mark McGwire (St. Louis Cardinals) hit his 500th career homerun. He also set a record for the fewest at-bats to hit the 500 homerun mark.