1849 - Ivan Pavlov, Russian physiologist who studied dogs' responsiveness.
1879 - Margaret Sanger, birth-control advocate and founder of Planned Parenthood.
1921 - Constance Baker Motley, first African-American woman to be appointed a federal judge.
1955 - Steve Berlin (Los Lobos)
1973 - Nas
1901 - Pres William McKinley dies in Buffalo, of gunshot wounds inflicted by an assassin.
1927 - Isadora Duncan dies as her scarf became entangled in her car's wheel
1982 - Grace Kelly princess of Monaco, dies at 52 in a car crash
In music history:
1737 - Composer Johann Michael Haydn was born.
1985 - The MTV Awards are held for the first time. Bette Midler and Dan Aykroyd co-hosted the show.
1994 - The Temptations receive a star on the Hollywood Walk of Fame.
1995 - Earth, Wind and Fire received a star on the Hollywood Walk of Fame.
In World History:
1321 - Dante Alighieri dies of malaria just hours after finishing writing Paradiso.
1716 - 1st lighthouse in US lit (Boston Harbor)
1752 - England & colonies adopt Gregorian calendar, 11 days disappear
1791 - Louis XVI swears his allegiance to the French constitution.
1812 - Napoleon enters Moscow
1814 - Francis S. Key composes "The Star-Spangled Banner"
1886 - George K Anderson of Memphis, Tennessee patents typewriter ribbon
1899 - In New York City, Henry Bliss became the first automobile fatality.
1901 - U.S. President William McKinley died of gunshot wounds inflicted by an assassin. Theodore Roosevelt, at age 42, succeeded him.
1930 - Detroit Lions (as Portsmouth Spartans) play 1st NFL game, win 13-6
1948 - Groundbreaking ceremony for the UN world headquarters
1959 - Luna II, a Soviet space probe, became the first man-made object on the moon when it crashed on the surface.
1960 - The Organization of the Petroleum Exporting Countries (OPEC) was founded. The core members were Iran, Iraq, Kuwait, Saudi Arabia, and Venezuela.
1963 - Mary Ann Fischer gave birth to America's first surviving quintuplets.
1972 - "The Waltons" premiered on CBS-TV.
1975 - Mother Elizabeth Ann Seton becomes the first native-born American saint in the Roman Catholic Church.
1978 - "Mork & Mindy" premiered on ABC-TV.
1987 - Tony Magnuson cleared 9.5 feet above the top of the U-ramp and set a new skateboard high jump record.
2001 - Nintendo released the GameCube home video game console in Japan.