Timeline

• 1762 - France cedes Louisiana to Spain in the Treaty of Tontainebleau

• 1763 - Treaty of Paris ends the Seven Years' War

• 1783 - Treaty of Peace between Britain and Spain

• 1789 - The Nootka Sound Affair - Britain and Spain both claim rights to the same area

• 1794 - Treaty of London (a.k.a Jay's Treaty) - British to evacuate northern forts and get fur trading rights over the border in return

• 1795 - Treaty of San Lorenzo del Escorial (a.k.a Pickney's Treaty) - US gets rights to navigate the Mississippi and right of deposit at New Orleans

• 1796 - Treaty of Alliance between France and Spain

• 1800 - September - Convention of 1800 - friendship pact between France and the US

• 1800 - October - Treaty of San Ildefonso

• 1801 - (February) Treaty of Luneville and the Convention of Aranjuez (March) complete the retrocession of Louisiana back to France

• 1801 - September - Treaty of Montfontaine between France and Spain; also separate friendship treaty between France and US

• 1802 - October 15 - Carlos IV finally signs the official papers to hand over Louisiana to France

• 1802 - October 16 - Spains withdraws US right to navigate the Mississippi and deposit in New Orleans

• 1803 - March - Jefferson sends Robert R. Livingston and then Jason Monroe to negotiate in Paris

• 1803 - April 30 - Louisiana Purchase; ratified October 31st after being approved the previous day by Congress

• 1804 - Lewis and Clark set off; government of Louisiana under US commences

• 1806 - Lewis and Clark return

• 1812 - War with England