Adams–Onís Treaty and the Acquisition of Florida (1819–1821)

1. U.S. raids and border conflict escalate in Spanish Florida

   Nov 1, 1817Labels: Georgia Florida, Spanish Florida

   • Britannica
   • FL DOS

2. First Seminole War begins and spreads

   Nov 1, 1817Labels: First Seminole, Seminole people

   • Britannica
   • FL DOS

3. Andrew Jackson invades Spanish Florida

   Mar 15, 1818Labels: Andrew Jackson, Spanish Florida

   • Britannica
   • NPS

4. U.S. returns Pensacola to Spain amid negotiations

   Feb 8, 1819Labels: Pensacola, U S

   • NPS

5. Adams–Onís Treaty signed in Washington, D.C.

   Feb 22, 1819Labels: Adams On, John Quincy

   • Britannica
   • FL Hist

6. Treaty draws a “transcontinental” boundary line

   Feb 22, 1819Labels: Transcontinental boundary, Adams On

   • Britannica
   • OR Enc

7. U.S. Senate ratifies the treaty

   Feb 24, 1819Labels: U S, Adams On

   • Britannica
   • Britannica

8. Spain ratifies the Adams–Onís Treaty

   Oct 24, 1820Labels: Spain, Adams On

   • FL Hist
   • Britannica

9. U.S. Senate ratifies treaty a second time

   Feb 19, 1821Labels: U S, Adams On

   • Britannica
   • Wiki

10. Treaty proclaimed; U.S. authorized to take possession

    Feb 22, 1821Labels: Treaty proclamation, United States

    • FL Hist
    • Britannica

11. Andrew Jackson appointed commissioner to receive Florida

    Mar 10, 1821Labels: Andrew Jackson, President James

    • FL DOS

12. Spanish flag lowered in Pensacola; Florida transferred

    Jul 17, 1821Labels: Pensacola, Spanish flag

    • FL DOS
    • NPS

13. Florida Territory organized by U.S. law

    Mar 30, 1822Labels: Florida Territory, U S

    • Wiki