Today is Tuesday, Sept. 6, the 250th day of 2016. There are 116 days left in the year.

On this date:

In 1861, Union forces led by Gen. Ulysses S. Grant occupied Paducah, Kentucky, during the Civil War.

In 1901, President William McKinley was shot and mortally wounded by anarchist Leon Czolgosz at the Pan- American Exposition in Buffalo, New York. (McKinley died eight days later; Czolgosz was executed on October 29.)

In 1925, the silent film horror classic “The Phantom of the Opera,” starring Lon Chaney, had its world premiere at the Astor Theater in New York.

In 1966, birth control advocate Margaret Sanger died in Tucson, Arizona, at age 86, eight days before her birthday.

In 1975, 18-year-old tennis star Martina Navratilova of Czechoslovakia, in New York for the U.S. Open, requested political asylum in the United States.

In 1991, the Soviet Union recognized the independence of Lithuania, Latvia and Estonia. Russian lawmakers upheld a decision by residents of Leningrad to restore the city’s pre-revolutionary name, St. Petersburg.

In 1997, a public funeral was held for Princess Diana at Westminster Abbey in London, six days after her death in a car crash in Paris.