The Territory of Louisiana or Louisiana Territory was an

organized incorporated territory of the United States The territory of the United States and its overseas possessions has evolved over time, from the colonial era to the present day. It includes formally organized territories, proposed and failed states, unrecognized breakaway states, internationa ...

that existed from July 4, 1805, until June 4, 1812, when it was renamed the

Missouri Territory The Territory of Missouri was an organized incorporated territory of the United States that existed from June 4, 1812, until August 10, 1821. In 1819, the Territory of Arkansas was created from a portion of its southern area. In 1821, a southea ...

. The territory was formed out of the

District of Louisiana The District of Louisiana, or Louisiana District, was an official and temporary United States government designation for the portion of the Louisiana Purchase that had not been organized into the Territory of Orleans or "Orleans Territory" (the p ...

, which consisted of the portion of the

Louisiana Purchase The Louisiana Purchase (french: Vente de la Louisiane, translation=Sale of Louisiana) was the acquisition of the territory of Louisiana by the United States from the French First Republic in 1803. In return for fifteen million dollars, or app ...

north of the 33rd parallel (which is now the

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the Osage ...

–

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...

state line).

Background

The Eighth Congress of the United States on March 26, 1804, passed legislation entitled "An act erecting Louisiana into two territories, and providing for the temporary government thereof," which established the

Territory of Orleans The Territory of Orleans or Orleans Territory was an organized incorporated territory of the United States that existed from October 1, 1804, until April 30, 1812, when it was admitted to the Union as the State of Louisiana. History In 180 ...

and the

as organized incorporated U.S. territories. With regard to the District of Louisiana, this

organic act In United States law, an organic act is an act of the United States Congress that establishes a territory of the United States and specifies how it is to be governed, or an agency to manage certain federal lands. In the absence of an organ ...

, which went into effect on October 1, 1804, detailed the authority of the governor and judges of the

Indiana Territory The Indiana Territory, officially the Territory of Indiana, was created by a congressional act that President John Adams signed into law on May 7, 1800, to form an organized incorporated territory of the United States that existed from July 4, ...

to provide temporary civil jurisdiction over the expansive region.

Establishment

On March 3, 1805, Congress passed legislation changing the District of Louisiana into the Louisiana Territory, effective July 4, 1805.

Boundaries

The Louisiana Territory included all of the land acquired by the United States in the

north of the 33rd parallel. The eastern boundary of the purchase, the

Mississippi River The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it f ...

, functioned as the territory's eastern limit. Its northern and western boundaries, however, were indefinite, and remained so throughout its existence. The northern boundary with the

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...

territory of

Rupert's Land Rupert's Land (french: Terre de Rupert), or Prince Rupert's Land (french: Terre du Prince Rupert, link=no), was a territory in British North America which comprised the Hudson Bay drainage basin; this was further extended from Rupert's Land t ...

was established by the

Treaty of 1818 The Convention respecting fisheries, boundary and the restoration of slaves, also known as the London Convention, Anglo-American Convention of 1818, Convention of 1818, or simply the Treaty of 1818, is an international treaty signed in 1818 betw ...

, and the western boundary with the

Spanish Spanish might refer to: * Items from or related to Spain: **Spaniards are a nation and ethnic group indigenous to Spain **Spanish language, spoken in Spain and many Latin American countries **Spanish cuisine Other places * Spanish, Ontario, Can ...

viceroyalty of

New Spain New Spain, officially the Viceroyalty of New Spain ( es, Virreinato de Nueva España, ), or Kingdom of New Spain, was an integral territorial entity of the Spanish Empire, established by Habsburg Spain during the Spanish colonization of the Am ...

was defined by the

Adams–Onís Treaty The Adams–Onís Treaty () of 1819, also known as the Transcontinental Treaty, the Florida Purchase Treaty, or the Florida Treaty,Weeks, p.168. was a treaty between the United States and Spain in 1819 that ceded Florida to the U.S. and defined t ...

of 1819.

Subdivisions

The Louisiana Territory had five subdivisions:

St. Louis District ST, St, or St. may refer to: Arts and entertainment * Stanza, in poetry * Suicidal Tendencies, an American heavy metal/hardcore punk band * Star Trek, a science-fiction media franchise * Summa Theologica, a compendium of Catholic philosophy an ...

, St. Charles District, Ste. Genevieve District,

Cape Girardeau District A cape is a clothing accessory or a sleeveless outer garment which drapes the wearer's back, arms, and chest, and connects at the neck. History Capes were common in medieval Europe, especially when combined with a hood in the chaperon. Th ...

, and

New Madrid District New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz Albums and EPs * ''New'' (album), by Paul McCartney, 2013 * ''New'' (EP), by Regurgitator, ...

. In 1806, the territorial legislature created the

District of Arkansas A district is a type of administrative division that, in some countries, is managed by the local government. Across the world, areas known as "districts" vary greatly in size, spanning regions or counties, several municipalities, subdivisions o ...

from lands ceded by the

Osage Nation The Osage Nation ( ) ( Osage: 𐓁𐒻 𐓂𐒼𐒰𐓇𐒼𐒰͘ ('), "People of the Middle Waters") is a Midwestern Native American tribe of the Great Plains. The tribe developed in the Ohio and Mississippi river valleys around 700 BC along ...

. In the 1810 United States census, 6 counties in the Louisiana Territory (5 in contemporary

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

and 1 in contemporary

reported the following population counts:

Government

The territorial capital was

St. Louis St. Louis () is the second-largest city in Missouri, United States. It sits near the confluence of the Mississippi and the Missouri Rivers. In 2020, the city proper had a population of 301,578, while the bi-state metropolitan area, which e ...

. On 11 March 1805, President

Thomas Jefferson Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Fathers of the United States, Founding Father who served as the third president of the United States from 18 ...

appointed Gen. James Wilkinson as the first governor of the Territory of Louisiana. Wilkinson concurrently held the position of

Senior Officer of the United States Army The Commanding General of the United States Army was the title given to the service chief and highest-ranking officer of the United States Army (and its predecessor the Continental Army), prior to the establishment of the Chief of Staff of the ...

. Meriwether Lewis (1807–1809) served as the 2nd and

William Clark William Clark (August 1, 1770 – September 1, 1838) was an American explorer, soldier, Indian agent, and territorial governor. A native of Virginia, he grew up in pre-statehood Kentucky before later settling in what became the state of Misso ...

(1813–1820) served as the 4th, and final, territorial governor.

Renaming

On June 4, 1812, the Twelfth U.S. Congress enacted legislation which renamed Louisiana Territory as

, in order to avoid confusion with the recently admitted

State State may refer to: Arts, entertainment, and media Literature * ''State Magazine'', a monthly magazine published by the U.S. Department of State * ''The State'' (newspaper), a daily newspaper in Columbia, South Carolina, United States * ''Our S ...

."An Act providing for the government of the territory of Missouri"
''United States Statutes at Large''. Twelfth Congress, Session I, Chapter 95, June 4, 1812, pg. 742–747. From Library of Congress,

'. (accessed December 14, 2008)

Current States

The areas of the '' Louisiana Territory '' and '' Orleans Territory '' now covers several

U.S. states In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...

, from the

Gulf of Mexico The Gulf of Mexico ( es, Golfo de México) is an oceanic basin, ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of ...

to the border of

Canada Canada is a country in North America. Its ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, covering over , making it the world's second-largest country by tot ...

References

External links

Louisiana: European Explorations and the Louisiana Purchase
from the

Library of Congress The Library of Congress (LOC) is the research library that officially serves the United States Congress and is the ''de facto'' national library of the United States. It is the oldest federal cultural institution in the country. The library is ...