Florida Territory - wikipedia Florida Territory Territory of Florida Organized incorporated territory of the United States ← ← ← 1822 -- 1845 → Capital 1822 -- 1824 St. Augustine 1824 -- 1845 Tallahassee Government Organized incorporated territory Governor 1821 Andrew Jackson ( military ) 1822 -- 1834 William Pope Duval 1834 -- 1836 John Eaton ( politician ) 1836 -- 1839 Richard K. Call 1839 -- 1841 Robert R. Reid 1841 -- 1844 Richard K. Call History Adams -- Onís Treaty 1821 Organized by U.S. March 30, 1822 Statehood March 3, 1845 Today part of United States Florida The Territory of Florida was an organized incorporated territory of the United States that existed from March 30, 1822, until March 3, 1845, when it was admitted to the Union as the State of Florida. Originally the Spanish territory of La Florida, and later the provinces of East and West Florida, it was ceded to the United States as part of the 1819 Adams -- Onís Treaty. It was governed by the Florida Territorial Council. Contents 1 Background 2 American involvement pre-1821 3 Adams -- Onís Treaty 4 Territorial Florida and the Seminole Wars 5 See also 6 Notes 7 References 8 External links Background Florida was first discovered in 1513 by Juan Ponce de León who claimed the land as a possession of Spain. St. Augustine, the oldest continually inhabited European settlement in the continental U.S., was founded on the northeast coast of Florida in 1565. Florida continued to remain a Spanish possession until the end of the Seven Years ' War when Spain ceded it to the Kingdom of Great Britain in exchange for the release of Havana. In 1783, after the American Revolution, Great Britain ceded Florida back to Spain. The second term of Spanish rule was influenced by the nearby United States. There were border disputes along the boundary with the state of Georgia and issues of American use of the Mississippi. These disputes were supposedly solved in 1795 by the Treaty of San Lorenzo which, among other things, solidified the boundary of Florida and Georgia along the 31st parallel. However, as Thomas Jefferson had once predicted, the U.S. could not keep its hands off Florida. American involvement pre-1821 See also : Republic of East Florida In 1812, United States forces and Georgia `` patriots '' under General George Mathews invaded Florida to protect American interests. ( See Seminole Wars. ) Runaway slaves had been sheltered for many years by the Florida natives, called Seminoles by Americans. They lived in a semi-feudal system ; the Seminoles gave the now `` free '' blacks protection, while the former slaves shared crops with the natives. Although the escaped slaves were still considered inferior by the Seminoles, the two groups lived in harmony. The slaveholders in Georgia and the rest of the South became furious over this state of affairs as slaves continued to escape to Florida. The 1812 liberation of East Florida, or `` Patriot War, '' was perceived by many as ill - advised. President Madison withdrew his support and the Spanish authorities were promised a speedy exit of the American troops. In 1818, after years of additional conflicts involving natives, fugitive slaves, and settlers, General Andrew Jackson wrote to President James Monroe, who had been inaugurated in March 1817, informing him that he was invading Florida. Jackson 's force departed from Tennessee and marched down to the Florida panhandle. Spanish officers surrendered coastal fortifications at Fort San Marcos ( also known as Fort St. Marks ) in Florida Oriental ; and about six weeks later, Fort Barrancas and Pensacola in Florida Occidental. Adams -- Onís treaty Main article : Adams -- Onís Treaty The Adams -- Onís Treaty, also known as the Transcontinental Treaty, was signed on February 22, 1819, by John Quincy Adams and Luis de Onís y González - Vara, but did not take effect until after it was ratified by Spain on October 24, 1820, and by the United States on February 19, 1821. The U.S. received Florida under Article 2 and inherited Spanish claims to the Oregon Territory under Article 3, while ceding all its claims on Texas to Spain under Article 3 ( with the independence of Mexico in 1821, Spanish Texas became Mexican territory ), and pledged to indemnify up to $5,000,000 in claims by American citizens against Spain under Article 11. Under Article 15, Spanish goods received exclusive most favorable nation tariff privileges in the ports at Pensacola and St. Augustine for twelve years. In Dorr v. USA ( 195 U.S. 138, 141 -- 142 ( 1904 ) ) Justice Marshall is quoted more extensively as follows : The 6th article of the treaty of cession contains the following provision : ' The inhabitants of the territories which His Catholic Majesty cedes the United States by this treaty shall be incorporated in the Union of the United States as soon as may be consistent with the principles of the Federal Constitution, and admitted to the enjoyment of the privileges, rights, and immunities of the citizens of the United States. ' ( 8 Stat. at L. 256. ) ( 195 U.S. 138, 142 ) ' This treaty is the law of the land, and admits the inhabitants of Florida to the enjoyment of the privileges, rights, and immunities of the citizens of the United States. It is unnecessary to inquire whether this is not their condition, independent of stipulation. They do not, however, participate in political power ; they do not share in the government till Florida shall become a state. In the meantime Florida continues to be a territory of the United States, governed by virtue of that clause in the Constitution which empowers Congress ' to make all needful rules and regulations respecting the territory or other property belonging to the United States. '' Territorial Florida and the Seminole wars Main article : Seminole Wars President James Monroe was authorized on March 3, 1821, to take possession of East Florida and West Florida for the United States and provide for initial governance. Andrew Jackson served as the federal military commissioner with the powers of governor of the newly - acquired territory, from March 10 through December of 1821. On March 30, 1822, the United States merged East Florida and part of what formerly constituted West Florida into the Florida Territory. William Pope Duval became the first official governor of the Florida Territory and soon afterward the capital was established at Tallahassee, but only after removing a Seminole tribe from the land. The central conflict of Territorial Florida was the Seminole inhabitants. The federal government and most white settlers desired all Florida Indians to migrate to the West. On May 28, 1830, Congress passed the Indian Removal Act requiring all Native Americans to move west of the Mississippi River. The Act itself did not mean much to Florida, but it laid the framework for the Treaty of Payne 's Landing, which was signed by a council of Seminole chiefs on May 9, 1832. This treaty stated that all Seminole inhabitants of Florida should be relocated by 1835, giving them three years. It was at this meeting that the famous Osceola first voiced his decision to fight. Beginning in late 1835, Osceola and the Seminole allies began a guerrilla war against the U.S. forces. Numerous generals fought and failed, succumbing to the heat and disease as well as lack of knowledge of the land. It was not until General Thomas Jesup captured many of the key Seminole chiefs, including Osceola who died in captivity of illness, that the battles began to die down. The Seminoles were eventually forced to migrate. Florida joined the Union as the 27th state on March 3, 1845. By this time, almost all of the Seminoles were gone, except for a small group living in the Everglades. See also Florida portal History portal Legislative Council of the Territory of Florida Adams -- Onís Treaty of 1819 Historic regions of the United States History of Florida List of Governors of Florida Seminole Wars, 1817 -- 1858 Spanish Florida Territorial evolution of the United States Territories of the Kingdom of Spain that would later become part of the Territory of Florida : La Florida, 1513 -- 1763 Florida Oriental, 1783 -- 1821 Republic of East Florida ( 1815 ) Florida Occidental, 1783 -- 1821 Republic of West Florida ( 1810 ) Territories of the Kingdom of Great Britain that would later become part of the Territory of Florida : East Florida, 1763 -- 1783 British West Florida, 1763 -- 1783 U.S. state created from the Territory of Florida : Florida, 1845 Notes Jump up ^ The U.S. commission established to adjudicate claims considered some 1800 claims and agreed that they were worth $5,454,545.13. Since the treaty limited the payment of claims to $5 million, the commission reduced the amount paid out proportionately by 81⁄3 percent. References Jump up ^ `` Florida Constitution of 1838 ''. Florida Constitution Revision Commission. Retrieved August 10, 2011. ^ Jump up to : Hubert Bruce Fuller ( 1964 ). The purchase of Florida, its history and diplomacy ( reprint ). University of Florida Press. Retrieved March 29, 2011. ^ Jump up to : Virginia Bergman Peters ( April 1979 ). The Florida wars. Archon Books. ISBN 978 - 0 - 208 - 01719 - 2. Retrieved March 29, 2011. Jump up ^ DORR V. UNITED STATES, 195 U.S. 138 ( 1904 ) Jump up ^ `` An Act for carrying into execution the treaty between the United States and Spain, concluded at Washington on the twenty - second day of February, one thousand eight hundred and nineteen '' Jump up ^ `` An Act for the establishment of a territorial government in Florida '' Jump up ^ `` An Act for the admission of the States of Iowa and Florida into the Union '' External links 3 U.S. Statute 654 approved on March 30, 1822 establishing Florida Territory ( pages 654 -- 659 ) from United States Statutes at Large at the Library of Congress website. Coordinates : 30 ° N 83 ° W ﻿ / ﻿ 30 ° N 83 ° W ﻿ / 30 ; - 83 Retrieved from `` https://en.wikipedia.org/w/index.php?title=Florida_Territory&oldid=810569256 '' Categories : States and territories established in 1822 States and territories disestablished in 1845 Florida Territory Pre-statehood history of Florida Former organized territories of the United States 1820s in Florida Territory 1830s in Florida Territory 1840s in Florida Territory 1830s in Florida 1840s in Florida 1822 establishments in Florida Territory 1822 establishments in the United States 1845 disestablishments in the United States 19th century in Florida Hidden categories : Use mdy dates from April 2012 Former country articles requiring maintenance Pages using infobox former subdivision with unknown parameters Coordinates on Wikidata Talk Contents About Wikipedia Беларуская Deutsch Español Français 한국어 Bahasa Indonesia 日本 語 Norsk Polski Português Română Русский Svenska Tiếng Việt 中文 Edit links This page was last edited on 16 November 2017, at 02 : 23. Text is available under the Creative Commons Attribution - ShareAlike License ; additional terms may apply. By using this site, you agree to the Terms of Use and Privacy Policy. Wikipedia ® is a registered trademark of the Wikimedia Foundation, Inc., a non-profit organization. About Wikipedia

Question: how did florida become a possession of the united states
Answer: ceded to the United States as part of the 1819 Adams–Onís Treaty