The Territory of Missouri 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 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 southeastern portion of the territory was admitted to the
Union as the State of
Missouri
Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...
, and the rest became unorganized territory for several years.
History
The Missouri Territory was originally known as the
Louisiana Territory and was renamed by the
U.S. Congress on June 4, 1812, to avoid confusion with the new
state of
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 bord ...
, which had been
admitted to the Union on April 30, 1812.
On October 1, 1812, Governor Clark organized the five administrative districts of the former
Louisiana Territory into
counties, which later became the first five
counties of the state of Missouri.
The
Anglo-American Convention 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 ...
established the northern boundary of the Missouri Territory with the
British territory of
Rupert's Land at the
49th parallel north
The 49th parallel north is a circle of latitude that is 49 ° north of Earth's equator. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.
The city of Paris is about south of the 49th parallel and is the large ...
. This gave the Missouri Territory the
Red River Valley
The Red River Valley is a region in central North America that is drained by the Red River of the North; it is part of both Canada and the United States. Forming the border between Minnesota and North Dakota when these territories were admitted ...
south of the 49th parallel and gave Rupert's Land the slice of
Missouri River Valley north of 49th parallel. 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 define ...
of 1819 established the southern and western boundaries of the territory with the Spanish territories of
Tejas and
Santa Fe de Nuevo México
Santa Fe de Nuevo México ( en, Holy Faith of New Mexico; shortened as Nuevo México or Nuevo Méjico, and translated as New Mexico in English) was a Kingdom of the Spanish Empire and New Spain, and later a territory (geographic region), territ ...
. The United States surrendered a significant portion of the Missouri Territory to
Spain
, image_flag = Bandera de España.svg
, image_coat = Escudo de España (mazonado).svg
, national_motto = '' Plus ultra'' (Latin)(English: "Further Beyond")
, national_anthem = (English: "Royal March")
, ...
in exchange for
Spanish Florida
Spanish Florida ( es, La Florida) was the first major European land claim and attempted settlement in North America during the European Age of Discovery. ''La Florida'' formed part of the Captaincy General of Cuba, the Viceroyalty of New Spain, ...
. The
Convention 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
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 define ...
would be the last significant losses of United States territory from the
contiguous United States
The contiguous United States (officially the conterminous United States) consists of the 48 adjoining U.S. states and the Federal District of the United States of America. The term excludes the only two non-contiguous states, Alaska and Hawaii ...
, although the cession of lands north of the 49th parallel would turn out to be the only ''permanent'' cession of U.S. territory (the territories ceded to Spain would be re-taken by the U.S. following the
Texas annexation
The Texas annexation was the 1845 annexation of the Republic of Texas into the United States. Texas was admitted to the Union as the 28th state on December 29, 1845.
The Republic of Texas declared independence from the Republic of Mexico o ...
and the
Mexican–American War
The Mexican–American War, also known in the United States as the Mexican War and in Mexico as the (''United States intervention in Mexico''), was an armed conflict between the United States and Mexico from 1846 to 1848. It followed the ...
).
On March 2, 1819, all of the Missouri Territory south of the
parallel 36°30' north, except the
Missouri Bootheel between the
Mississippi River
The Mississippi River is the List of longest rivers of the United States (by main stem), second-longest river and chief river of the second-largest Drainage system (geomorphology), drainage system in North America, second only to the Hudson B ...
and the
Saint Francis River
The St. Francis River is a tributary of the Mississippi River, about long, in southeastern Missouri and northeastern Arkansas in the United States. The river drains a mostly rural area and forms part of the Missouri-Arkansas state line along the ...
north of the
36th parallel north, was designated the new
Territory of Arkansaw. (The spelling of Arkansaw would be changed a few years later, although the proper pronunciation of the name would be debated until 1881.) The southeastern portion of the Missouri Territory was admitted to the Union as the State of Missouri on August 10, 1821.
St. Louis was the
capital
Capital may refer to:
Common uses
* Capital city, a municipality of primary status
** List of national capital cities
* Capital letter, an upper-case letter Economics and social sciences
* Capital (economics), the durable produced goods used fo ...
of the Missouri Territory.
The remaining portion of the territory, consisting of the present states of
Iowa
Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
,
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the sout ...
, and
the Dakotas, most of
Kansas
Kansas () is a U.S. state, state in the Midwestern United States, Midwestern United States. Its Capital city, capital is Topeka, Kansas, Topeka, and its largest city is Wichita, Kansas, Wichita. Kansas is a landlocked state bordered by Nebras ...
,
Wyoming
Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to t ...
, and
Montana
Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
, and parts of
Colorado
Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...
,
Minnesota
Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over t ...
and
New Mexico
)
, population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano)
, seat = Santa Fe, New Mexico, Santa Fe
, LargestCity = Albuquerque, New Mexico, Albuquerque
, LargestMetro = Albuquerque metropolitan area, Tiguex
, Offi ...
, effectively became an
unorganized territory after Missouri became a state. In 1834, the portion east of the
Missouri River was attached to the
Michigan Territory
The Territory of Michigan was an organized incorporated territory of the United States that existed from June 30, 1805, until January 26, 1837, when the final extent of the territory was admitted to the Union as the State of Michigan. Detroit ...
. Over time, various
territories
A territory is an area of land, sea, or space, particularly belonging or connected to a country, person, or animal.
In international politics, a territory is usually either the total area from which a state may extract power resources or a ...
were created in whole or in part from its remaining area:
Iowa
Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
(1838),
Minnesota
Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the 22nd most populous, with over 5.75 million residents. Minnesota is home to western prairies, now given over t ...
(1849),
Kansas
Kansas () is a U.S. state, state in the Midwestern United States, Midwestern United States. Its Capital city, capital is Topeka, Kansas, Topeka, and its largest city is Wichita, Kansas, Wichita. Kansas is a landlocked state bordered by Nebras ...
and
Nebraska
Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the sout ...
(both 1854),
Colorado
Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...
and
Dakota (both 1861),
Idaho
Idaho ( ) is a U.S. state, state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Monta ...
(1863),
Montana
Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columb ...
(1864), and
Wyoming
Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to t ...
(1868).
In the
1820 United States census,
15 counties in the Missouri Territory reported the following population counts:
See also
*
Historic regions of the United States
*
History of Missouri
*
Territorial evolution of the United States
References
External links
Peter J. Kastor, Making Missouri American: A crowded frontier in the age of Lewis and Clark
{{DEFAULTSORT:Missouri Territory
States and territories established in 1812
States and territories disestablished in 1821
12th United States Congress
Former organized territories of the United States
Great Plains
Midwestern United States
Pre-statehood history of Arkansas
Pre-statehood history of Idaho
Pre-statehood history of Iowa
Pre-statehood history of Kansas
Pre-statehood history of Missouri
Pre-statehood history of Montana
Pre-statehood history of Nebraska
Pre-statehood history of North Dakota
Pre-statehood history of Oklahoma
Pre-statehood history of South Dakota
Pre-statehood history of Wyoming