TRIPOLI declared war against the United States,--June 10. 1802. GEORGIA'S cession of territory to General Government,--April 24. OHIO admitted to the Union,--Nov. 22. 1803. LOUISIANA ceded to the United States by France for 80,000,000 francs,--April 30. (By this cession the United States claimed to the present western boundary of Florida.) 1804. The _Philadelphia_ destroyed by Decatur at Tripoli,--Feb. 16. DUEL between Hamilton and Burr, at Hoboken, N.J.,--July 11. TWELFTH AMENDMENT to the Constitution declared in force,--Sept. 25. ORLEANS TERRITORY formed,--Oct. I. DISTRICT OF LOUISIANA formed, same as Louisiana cession, less Orleans Territory,--Oct. I. 1805. LOUISIANA TERRITORY formed,--March 3. JEFFERSON'S second presidential term began,--March 4. TREATY OF PEACE concluded with Tripoli,--June 4. MICHIGAN TERRITORY formed,--June 30. 1806. BONAPARTE'S Berlin Decree,--Nov. 21. 1807. BRITISH "ORDERS IN COUNCIL" requiring goods to land in Great Britain,--Jan. 7. THE _Chesapeake_ attacked by the _Leopard_ off the coast of Virginia,--June _22_. AARON BURR tried for treason, at Richmond, Va.; acquitted,--Sept. 1. FULTON successfully applied steam navigation on the Hudson,--Sept. 14. BRITISH "ORDERS IN COUNCIL" prohibited trade with France and allies,--Nov. 17. BONAPARTE'S Milan decree prohibited trade with English colonies,--Dec. 17. 1808. BONAPARTE'S Bayonne decree ordered seizure of United States vessels,--April 17. 1809. NON-INTERCOURSE ACT, prohibiting trade with Great Britain and France, passed,--Feb. 27. ILLINOIS TERRITORY formed,--March 1. JAMES MADISON inaugurated president,--March 4. 1810. BONAPARTE'S Ramboulliet decree; 132 American vessels seized and sold,--March 23. 1811. GEORGE, Prince of Wales, appointed regent of Great Britain,--Feb. 3. BATTLE between the _President_ and _Little Belt_, off Virginia,--May 16. BATTLE OF TIPPECANOE, Ind.; Harrison defeats Indians,--Nov. 7. 1812. LOUISIANA admitted into the Union,--April 30. WAR with Great Britain proclaimed by the United States,--June 19. HULL'S EXPEDITION against Fort Maiden, Canada,--July. FORT MACKINAW captured by British and Indians,--July 17. FIRST BATTLE of Brownstown, Mich.; British defeated Van Horn,--Aug. 5. SECOND BATTLE of Brownstown, or Manaugua; American victory,--Aug. 9. BRITISH sloop _Alert_ taken by the _Essex_, off Newfoundland,--Aug. 13. HULL surrendered Detroit,--Aug. 16. THE _Guerriere_, British frigate, captured by the _Constitution_, off Massachusetts,--Aug. 19. BATTLE OF QUEENSTOWN, Canada; Van Rensselaer wounded, Brock killed,--Oct. 13. BATTLE OF LEWISTON, N. Y.; Cowardly conduct of American militia,--Oct. 13. BRITISH ship _Poictiers_ captured the _Frolic_ and Wasp, off North Carolina,--Oct. 18. BRITISH ship _Macedonia_ captured by _United States_, off Canary Islands,--Oct. 25. MISSOURI TERRITORY formed,--Dec. 7.