Louisiana Purchase and Territorial Organization (1803–1821)

1. France offers to sell all of Louisiana

   Apr 11, 1803Labels: Robert R, France, Louisiana territory

   • Natl Archives

2. Louisiana Purchase agreement signed in Paris

   Apr 30, 1803Labels: James Monroe, Robert R, France

   • Natl Archives
   • Britannica

3. Senate approves Louisiana Purchase for ratification

   Oct 20, 1803Labels: U S

   • US Senate

4. Spain transfers Louisiana administration to France

   Nov 30, 1803Labels: Spain, France, New Orleans

   • Natl Archives

5. United States takes possession at New Orleans

   Dec 20, 1803Labels: United States, New Orleans, Cabildo

   • Natl Archives
   • VOA

6. Upper Louisiana transferred in St. Louis ceremonies

   Mar 10, 1804Labels: Upper Louisiana, St Louis

   • FCIT USF

7. Congress creates Orleans Territory and District of Louisiana

   Mar 26, 1804Labels: Congress, Orleans Territory, District of

   • Congress gov
   • Founders Online

8. Lewis and Clark expedition departs for the West

   May 14, 1804Labels: Lewis and, Corps of

   • UNL Journals

9. District of Louisiana becomes Louisiana Territory

   Mar 3, 1805Labels: Louisiana Territory, Congress

   • Founders Online

10. Orleans Territory authorized to form Louisiana state

    Apr 8, 1811Labels: Orleans Territory, Congress

    • US Senate

11. Louisiana admitted as the 18th U.S. state

    Apr 30, 1812Labels: Louisiana, Statehood

    • US Senate

12. Louisiana Territory renamed Missouri Territory

    Jun 4, 1812Labels: Missouri Territory, Congress

    • MO Archives

13. Arkansas Territory created from Missouri Territory

    Mar 2, 1819Labels: Arkansas Territory, Missouri Territory

    • Papers Lincoln

14. Missouri Compromise becomes law

    Mar 6, 1820Labels: Missouri Compromise, Congress

    • Natl Archives
    • Census Bureau

15. Missouri admitted, closing the 1803–1821 phase

    Aug 10, 1821Labels: Missouri, Statehood

    • Census Bureau