Louisiana Purchase Events

1803 Oct 20 The United States Senate Ratifies The Louisiana Purchase Treaty
On October 20, 1803, the Senate ratified the Louisiana Purchase Treaty by a vote of twenty-four to seven. The agreement, which provided for the purchase of the western half of the Mississ...
1803 Nov 30 Louisiana Is Transferred From Spanish Control To French Control
The city of New Orleans controlled the Mississippi River through its location; other locations for ports had been tried and had not succeeded. New Orleans was already important for shippi...
1803 Dec 20 France Turns New Orleans Over To United States
France turned New Orleans over on December 20, 1803 at The Cabildo. On March 10, 1804, a formal ceremony was conducted in St. Louis to transfer ownership of the territory from France to t...
1804 Oct 1 A Formal Ceremony Transfers The Louisiana Territory From France To The United States
Effective on October 1, 1804, the purchased territory was organized into the Territory of Orleans (most of which became the state of Louisiana) and the District of Louisiana, which was te...
1812 Apr 30 Louisiana is the 18th State Admitted to the Union
The Territory of Orleans was established by the Act of March 26, 1804 and was effective October 1, 1804. It remained a Territory until Louisiana was admitted as a State. The Distric...
1821 Aug 10 Missouri is the 24th State Admitted to the Union
On August 10, 1821, Missouri entered the Union as the twenty-fourth state. Named after the Native American people who originally inhabited the land, Missouri was acquired by the U.S. as p...
1836 Jun 15 Arkansas is the 25th State Admitted to the Union
On June 15, 1836, Arkansas became the twenty-fifth state. Native Americans first inhabited the state and created a thriving culture along the Mississippi River around 500 A.D. In the sixt...
1863 Mar 4 Lincoln Signs An Act Creating The Idaho Territory
On March 4, 1863, President Lincoln signed an act creating Idaho Territory. (While the bill was passed on March 3, the enrolled bill was not signed by the speaker of the House and the pre...
1907 Nov 16 Oklahoma is the 46th State Admitted to the Union
Oklahoma entered the Union as the forty-sixth state on November 16, 1907. Derived from the Choctaw Indian words "okla," meaning people, and "humma," meaning red, Oklahoma was designated I...