1818
| File:Decade.png ( 1810s: ) 1818 link | |
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 The Frenchman Jean Bernadotte, a former Napoleonic general who switched sides, becomes King of Sweden and Norway |
Events
- February 5 – Upon his death, King Charles XIII of Sweden (Charles II of Norway) is succeeded on both thrones by his adoptive son Charles XIV/III John, starting the Royal House of Bernadotte.
- February 12 – Chile proclaims its independence from Spain.
- March 15 – First Seminole War: General Andrew Jackson and his American army invade Florida.
- April 5 – Chilean War of Independence – Battle of Maipú: Patriot rebels, led by José de San Martín, decisively defeat the Spanish Royalists.
- May 11
- Charles XIV of Sweden–Norway is crowned king of Sweden.
- July 1 – After a war that began on November 5, 1817, the forces of the East India Company defeat Baji Rao II in battle and acquire control over the Maratha Empire.[1]
- July 11 – The Bank of the United States reverses its policy of expanding credit, and sends notices to its borrowers nationwide demanding immediate repayment of balances due; the defaults during the next six months will trigger the Panic of 1819.[2]
- July 15 – U.S. President James Monroe convenes a cabinet meeting, to discuss whether General Andrew Jackson's unauthorized invasion and conquest of Spanish Florida should be disavowed by the White House. Secretary of State John Quincy Adams persuades the President that the action is justifiable, in stopping terror caused by the Seminole tribes.
- August 4 – 1818 United Kingdom general election for the House of Commons. The Tory Party, led by Prime Minister Robert Jenkinson, retains its control of the government but loses some seats.
- September – Sir Stamford Raffles sets out to visit Lord Hastings, Governor-General of India, to gain his approval to establish a trading station at the southern tip of the Malay Peninsula (modern-day Singapore).
- September 7 – Carl III of Sweden–Norway is crowned king of Norway, in Trondheim.
- October 20 – A treaty between the U.S. and the United Kingdom establishes the boundary between the U.S. and British North America as the [[49th parallel north|49th parallel]], from the Lake of the Woods to the Rocky Mountains, also creating the Northwest Angle.