1818 in the United States
|1818 in the United States|
20 stars (1818–19)
|Timeline of United States history|
|History of the United States (1789–1849)|
Events from the year 1818 in the United States.
- President: James Monroe (DR-Virginia)
- Vice President: Daniel D. Tompkins (DR-New York)
- Chief Justice: John Marshall (Virginia)
- Speaker of the House of Representatives: Henry Clay (DR-Kentucky)
- Congress: 15th
- March 15 – First Seminole War: Andrew Jackson leads an army into Spanish Florida.
- April – First Seminole War – Arbuthnot and Ambrister incident: Alexander George Arbuthnot and Robert Ambrister are captured by Andrew Jackson's forces and later executed for aiding the Spanish and the Seminoles.
- April 4 – The U.S. Congress adopts the flag of the United States as having 13 red and white stripes and one star for each state (20 stars) with additional stars to be added whenever a new state is added to the Union.
- April 7 – Brooks Brothers, the oldest men's clothier in the United States, opens its first store on the northeast corner of Catherine and Cherry Streets in New York City, where the South Street Seaport now stands.
- April 14 – United States Coast Survey operations suspended until August 9, 1832.
- May 23 – First Seminole War: Andrew Jackson's army enters Pensacola, Florida unopposed as the Spanish forces retreated to Fort Barrancas.
- May 28 – First Seminole War: Fort Barrancas surrenders to Andrew Jackson.
- July 16 – The Daniel Webster Debate Society of Phillips Exeter Academy is founded as The Golden Branch Literary Society, making it the oldest surviving secondary school literary society in the U.S.
- August 1 – The Topographical Bureau of the United States Department of War is founded.
- October 18 – Andrew Jackson and Isaac Shelby negotiate the purchase of land in modern-day western Tennessee and southwestern Kentucky from the Chickasaw Nation in what is later called the Jackson Purchase.
- October 20 – The Treaty of 1818 between the U.S. and the United Kingdom establishes the northern boundary as the 49th parallel from the Lake of the Woods to the Rocky Mountains, also creating the Northwest Angle.
- December 3 – Illinois is admitted as the 21st U.S. state (see History of Illinois).
- The Osage Nation cedes traditional lands by treaty.
- January 28 – George S. Boutwell, United States Senator from Massachusetts from 1851 till 1853. (died 1905)
- March 10 – George W. Randolph, lawyer, planter, Confederate general, 3rd Confederate States Secretary of War (died 1867)
- March 12 – John S. Hager, United States Senator from California from 1873 till 1875. (died 1890)
- March 23 – Don Carlos Buell, United States Army officer who fought in the Seminole War, the Mexican-American War, and the American Civil War (died 1898)
- April 1 – Omar D. Conger, United States Senator from Michigan from 1881 till 1887. (died 1898)
- May 28 – P. G. T. Beauregard, Southern military officer, politician, inventor, writer, civil servant, and the first prominent general of the Confederate States Army during the American Civil War (died 1893)
- July 1 – Josiah Gorgas, Northern-born Confederate general (died 1883)
- July 10 – John Stuart Williams, United States Senator from Kentucky from 1879 till 1885. (died 1898)
- September 17 – William Henry Barnum, United States Senator from Connecticut from 1876 till 1879. (died 1889)
- October 8 – John Henninger Reagan, United States Senator from Texas, Acting Confederate States Secretary of the Treasury, Confederate States Postmaster General (died 1905)
- October 15 – Irvin McDowell, Union Army officer known for their defeat in the First Battle of Bull Run (died 1885)
- October 18 – Edward Ord, engineer and United States Army officer who saw action in the Seminole War, the Indian Wars, and the American Civil War (died 1883)
- November 5 – Benjamin Butler, major general of the Union Army during the American Civil War, and for his leader in the impeachment of President Andrew Johnson (died 1893)
- December 13 – Mary Todd Lincoln, First Lady of the United States (died 1882)
- May 10 – Paul Revere, American silversmith, engraver, early industrialist, and a Patriot in the American Revolution (born 1735)
- August 31 – Arthur St. Clair, major general in the Continental Army, President of the Continental Congress (born 1737)
- October 5 – Nancy Lincoln, mother of Abraham Lincoln (born 1784)
- October 28 – Abigail Adams, First Lady of the United States, Second Lady of the United States (born 1744)
- November 6 – Caleb Gibbs, commander (born 1748)
- Richard V. Carpenter, J. W. Kitchell. The Illinois Constitutional Convention of 1818. Journal of the Illinois State Historical Society (1908–1984), Vol. 6, No. 3 (October, 1913), pp. 327–424
- The Diocese of Baltimore in 1818. Archbishop Maréchal's Account to Propaganda, October 16, 1818. The Catholic Historical Review, Vol. 1, No. 4 (January, 1916), pp. 439–453
- Charles H. Rammelkamp, Thos Lippincott. Thomas Lippincott, a Pioneer of 1818 and His Diary. Journal of the Illinois State Historical Society (1908–1984), Vol. 10, No. 2 (July, 1917), pp. 237–255
- Leona Rostenberg, Timothy Fuller. Diary of Timothy Fuller: In Congress, January 12 – March 15, 1818. The New England Quarterly, Vol. 12, No. 3 (September, 1939), pp. 521–529
- Charles Cotesworth Pinckney, J. H. Easterby. Charles Cotesworth Pinckney's Plantation Diary, April 6 – December 15, 1818. The South Carolina Historical and Genealogical Magazine, Vol. 41, No. 4 (October, 1940), pp. 135–150
- Leo M. Kaiser. Stephen F. Austin's Oration of July 4, 1818. The Southwestern Historical Quarterly, Vol. 64, No. 1 (July, 1960), pp. 71–79
- Alfred Owen Aldridge. The Character of a North American as Drawn in Chile, 1818. Hispania, Vol. 49, No. 3 (September, 1966), pp. 489–494
- John Faucheraud Grimké, Thomas Smith Grimké, Adrienne Koch. A Family Crisis: Letters from John Faucheraud Grimké and Thomas Smith Grimké to Henry Grimké, 1818. The South Carolina Historical Magazine, Vol. 69, No. 3 (July, 1968), pp. 171–192
- Stephen W. Stathis. Dr. Barton's Case and the Monroe Precedent of 1818. The William and Mary Quarterly, Third Series, Vol. 32, No. 3 (July, 1975), pp. 465–474
- Ernest F. Dibble. Captain Hugh Young and His 1818 Topographical Memoir to Andrew Jackson. The Florida Historical Quarterly, Vol. 55, No. 3 (January, 1977), pp. 321–335
- John P. Resch. Politics and Public Culture: The Revolutionary War Pension Act of 1818. Journal of the Early Republic, Vol. 8, No. 2 (Summer, 1988), pp. 139–158
- Sandra F. VanBurkleo. "The Paws of Banks": The Origins and Significance of Kentucky's Decision to Tax Federal Bankers, 1818 – 1820. Journal of the Early Republic, Vol. 9, No. 4 (Winter, 1989), pp. 457–487
- James A. Edstrom. "With . . . Candour and Good Faith": Nathaniel Pope and the Admission Enabling Act of 1818. Illinois Historical Journal, Vol. 88, No. 4 (Winter, 1995), pp. 241–262
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