6th » Sir Thomas Stamford Raffles founds Singapore.
7th » Sir Thomas Stamford Raffles leaves Singapore after just taking it over, leaving it in the hands of William Farquhar.
17th » The United States House of Representatives passes the Missouri Compromise for the first time.
19th » British Empire British exploration explorer William Smith (mariner) William Smith discovers the South Shetland Islands, and claims them in the name of George III of the United Kingdom King George III.
22nd » By the Adams–Onís Treaty, Spain History of Florida named sells Florida to the United States for five million U.S. dollars.