1496 - Christopher Columbus concluded his second visit to the Western Hemisphere when he left Hispaniola for Spain.
1792 - John Stone patented the pile driver.
1804 - The formal ceremonies transferring the Louisiana Purchase from France to the U.S. took place in St. Louis.
1864 - Ulysses S. Grant became commander of the Union armies in the U.S. Civil War.
1876 - Alexander Graham Bell made the first successful call with the telephone. He spoke the words "Mr. Watson, come here, I want to see you."
1945 - American B-29 bombers attacked Tokyo, Japan, 100,000 were killed.
1959 - "Sweet Bird of Youth", a play by Tennessee Williams, opened in New York City.