1821 - Missouri became the 24th state to join the Union.
1846 - The Smithsonian Institution was chartered by the U.S. Congress. The "Nation's Attic" was made possible by $500,000 given by scientist Joseph Smithson.
1815 - Napoleon Bonaparte set sail for St. Helena, in the South Atlantic. The remainder of his life was spent there in exile.
1844 - After the killing of Joseph Smith, Bringham Young was chosen to lead the Mormons.