1779 – Benedict Arnold is court-martialed, charged with 13 counts of misbehavior.
1792 – Kentucky is admitted to the Union as the 15th state.
1796 – Tennessee is admitted to the Union as the 16th state.
1812 – President James Madison asks Congress to declare war on the United Kingdom.
1926 – Norma Jeane Mortenson – better known as Marilyn Monroe, is born in Los Angeles.
1967 – Beatles release Sgt. Pepper’s Lonely Hearts Club Band.
1968 – Helen Keller dies in Westport, Conn., at the age of 87.
1980 – Cable News Network (CNN) makes its debut as the world’s first 24-hour TV news network.
