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114-478: 35°52′54″N 97°26′01″W  /  35.88167°N 97.43361°W  / 35.88167; -97.43361 This music festival-related article is a stub . You can help Misplaced Pages by expanding it . This Oklahoma -related article is a stub . You can help Misplaced Pages by expanding it . Oklahoma Oklahoma ( / ˌ oʊ k l ə ˈ h oʊ m ə / OHK -lə- HOH -mə ; Choctaw : Oklahumma , pronounced [oklahómma] )

228-512: A State within which their reservation may be established, and the State gives them no protection." White settlers continued to flood into Indian country. As the population increased, the homesteaders could petition Congress for creation of a territory. This would initiate an Organic Act , which established a three-part territorial government. The governor and judiciary were appointed by the President of

342-823: A description of the removal of the Choctaw Nation in 1831, although the term is usually used for the Cherokee removal. Seventeen thousand Cherokees and 2,000 of their black slaves were deported. The area, already occupied by Osage and Quapaw tribes, was called for the Choctaw Nation until revised Native American and then later American policy redefined the boundaries to include other Native Americans. By 1890, more than 30 Native American nations and tribes had been concentrated on land within Indian Territory or "Indian Country". All Five Civilized Tribes signed treaties with

456-539: A federal crime to commit murder, manslaughter, rape, assault with intent to kill, arson, burglary, or larceny within any Territory of the United States. The Supreme Court affirmed the action in 1886 in United States v. Kagama , which affirmed that the U.S. government has plenary power over Native American tribes within its borders using the rationalization that "The power of the general government over these remnants of

570-470: A focal point for the emerging oil industry , as discoveries of oil pools prompted towns to grow rapidly in population and wealth. Tulsa eventually became known as the " Oil Capital of the World " for most of the 20th century and oil investments fueled much of the state's early economy. In 1927, Oklahoman businessman Cyrus Avery , known as the "Father of Route 66", began the campaign to create U.S. Route 66 . Using

684-520: A marked decrease in rainfall during June and early July. Mid-summer (July and August) represents a secondary dry season over much of Oklahoma, with long stretches of hot weather with only sporadic thunderstorm activity not uncommon many years. Severe drought is common in the hottest summers, such as those of 1934, 1954, 1980 and 2011, all of which featured weeks on end of virtual rainlessness and highs well over 100 °F (38 °C). Average precipitation rises again from September to mid-October, representing

798-474: A precise times as each prospective settler literally raced with other prospective settlers to claim ownership of 160 acres (65 ha) of land under the Homestead Act of 1862 . Usually land was claimed by settlers on a first come, first served basis. Those who broke the rules by crossing the border into the territory before the official opening time were said to have been crossing the border sooner , leading to

912-586: A race once powerful ... is necessary to their protection as well as to the safety of those among whom they dwell". While the federal government of the United States had previously recognized the Indian Tribes as semi-independent, "it has the right and authority, instead of controlling them by treaties, to govern them by acts of Congress, they being within the geographical limit of the United States ;... The Indians [Native Americans] owe no allegiance to

1026-405: A secondary wetter season, then declines from late October through December. The entire state frequently experiences temperatures above 100 °F (38 °C) or below 0 °F (−18 °C), though below-zero temperatures are rare in south-central and southeastern Oklahoma. Snowfall ranges from an average of less than 4 in (102 mm) in the south to just over 20 in (508 mm) on

1140-670: A single state. This resulted in passage of the Oklahoma Enabling Act , which President Roosevelt signed June 16, 1906. empowered the people residing in Indian Territory and Oklahoma Territory to elect delegates to a state constitutional convention and subsequently to be admitted to the union as a single state. Citizens then joined to seek admission of a single state to the Union. With Oklahoma statehood in November 1907, Indian Territory

1254-450: A statute authorizing the people of the Oklahoma and Indian Territories (as well what would become the states of Arizona and New Mexico ) to form a constitution and state government in order to be admitted as a state. On November 16, 1907, President Theodore Roosevelt issued Presidential Proclamation no. 780 , establishing Oklahoma as the 46th state in the Union. The new state became

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1368-460: A stretch of highway from Amarillo, Texas to Tulsa, Oklahoma to form the original portion of Highway 66, Avery spearheaded the creation of the U.S. Highway 66 Association to oversee the planning of Route 66, based in his hometown of Tulsa. In late September 1918, the first cases of the Spanish flu appeared in Oklahoma. Though public health authorities statewide had some indication that the pandemic

1482-417: A survey that established the western border of Arkansas Territory 45 miles west of Ft. Smith. But this was part of the negotiated lands of Lovely's Purchase where the Cherokee , Choctaw, Creek and other tribes had been settling, and these indian nations objected strongly. In 1828 a new survey redefined the western Arkansas border just west of Ft. Smith. After these redefinitions, the "Indian zone" would cover

1596-628: A thriving area. Social tensions were exacerbated by the revival of the Ku Klux Klan after 1915. The Tulsa race massacre broke out in 1921, with White mobs attacking Black people and carrying out a pogrom in Greenwood. In one of the costliest episodes of racist violence in American history , sixteen hours of rioting resulted in the destruction of 35 city blocks, $ 1.8 million in property damage, and an estimated death toll of between 75 and 300 people. By

1710-631: Is Oklahoma City . The state's name is derived from the Choctaw words okla , 'people' and humma , which translates as 'red'. Oklahoma is also known informally by its nickname , "The Sooner State", in reference to the Sooners , American settlers who staked their claims in formerly American Indian-owned lands until the Indian Appropriations Act of 1889 authorized the Land Rush of 1889 opening

1824-621: Is a state in the South Central region of the United States . It borders Texas to the south and west, Kansas to the north, Missouri to the northeast, Arkansas to the east, New Mexico to the west, and Colorado to the northwest. Partially in the western extreme of the Upland South , it is the 20th-most extensive and the 28th-most populous of the 50 United States. Its residents are known as Oklahomans and its capital and largest city

1938-458: Is also responsible for many of the tornadoes in the area, such as the 1912 Oklahoma tornado outbreak when a warm front traveled along a stalled cold front, resulting in an average of about one tornado per hour. The humid subtropical climate (Köppen Cfa ) of central, southern, and eastern Oklahoma is influenced heavily by southerly winds bringing moisture from the Gulf of Mexico . Traveling westward,

2052-677: Is an alliance of the Ojibwe , Odawa , and Potawatomi tribes. In the Second Treaty of Prairie du Chien in 1829, the tribes of the Council of Three Fires ceded to the United States their lands in Illinois , Michigan , and Wisconsin . The 1833 Treaty of Chicago forced the members of the Council of Three Fires to move first to present-day Iowa , then Kansas and Nebraska and ultimately to Oklahoma . The Illinois Potawatomi moved to present-day Nebraska and

2166-558: Is assumed that around 7,500 proved fatal, placing total mortality rates for the state in the area of 7.5%. Oklahoma also has a rich African-American history . Many Black towns, founded by the Freedmen of the Five Tribes during Reconstruction, thrived in the early 20th century with the arrival of Black Exodusters who migrated from neighboring states, especially Kansas. The politician Edward P. McCabe encouraged Black settlers to come to what

2280-741: Is divided between Missouri and Arkansas. The Missouri-Oklahoma border is defined as the Meridian passing through the Kawsmouth, where the Kansas River meets the Missouri River. This is the same Meridian as the Kansas-Missouri border. The Oklahoma-Arkansas border was originally defined by two lines: the borders between Arkansas and the Cherokee and Choctaw Reservations. This formed two diagonal lines meeting at

2394-527: Is serving life in prison without parole for helping plan the attack and prepare the explosive. On May 31, 2016, several cities experienced record setting flooding . On July 9, 2020, the Supreme Court of the United States determined in McGirt v. Oklahoma that the reservations of the Five Tribes, comprising much of Eastern Oklahoma, were never disestablished by Congress and thus are still "Indian Country" for

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2508-640: Is the oldest and largest of nine National Wildlife Refuges in the state and was founded in 1901, encompassing 59,020 acres (238.8 km ). Of Oklahoma's federally protected parks or recreational sites, the Chickasaw National Recreation Area is the largest, with 9,898.63 acres (40.0583 km ). Other sites include the Santa Fe and Trail of Tears national historic trails, the Fort Smith and Washita Battlefield national historic sites, and

2622-526: Is used to signify lands under the control of Native nations, including Indian reservations, trust lands on Oklahoma Tribal Statistical Area , or, more casually, to describe anywhere large numbers of Native Americans live. Indian Territory, also known as the Indian Territories and the Indian Country, was land in the United States reserved for the forced resettlement of Native Americans . As such, it

2736-540: The American alligator . Oklahoma has fifty-one state parks , six national parks or protected regions, two national protected forests or grasslands , and a network of wildlife preserves and conservation areas. Six percent of the state's 10 million acres (40,000 km ) of forest is public land, including the western portions of the Ouachita National Forest , the largest and oldest national forest in

2850-436: The Choctaw language phrase okla , 'people', and humma , translated as 'red'. Choctaw Nation Chief Allen Wright suggested the name in 1866 during treaty negotiations with the federal US government on the use of Indian Territory . He envisioned an all exclusive American Indian state controlled by the United States bureau of Indian Affairs . Oklahoma later became the de facto name for Oklahoma Territory , and it

2964-783: The Great Lakes region , organized following the American Revolutionary War to resist the expansion of the United States into the Northwest Territory . Members of the confederacy were ultimately removed to the present-day Oklahoma, including the Shawnee , Delaware , also called Lenape , Miami , and Kickapoo . The area of Pottawatomie County, Oklahoma was used to resettle the Iowa tribe , Sac and Fox , Absentee Shawnee , Potawatomi , and Kickapoo tribes. The Council of Three Fires

3078-558: The Great Plains near the geographical center of the 48 contiguous states . It is bordered on the east by Arkansas and Missouri , on the north by Kansas , on the northwest by Colorado , on the far west by New Mexico , and on the south and near-west by Texas . Oklahoma's border with Kansas was defined as the 37th Parallel in the 1854 Kansas-Nebraska Act . This was disputed with the Cherokee and Osage Nations, which claimed their border extended North of this line and could not be part of

3192-684: The Great Plains , subjected to extended periods of drought and high winds, and the Ozark Plateau is to the east in a humid subtropical climate zone. Tribes indigenous to the present day state of Oklahoma include both agrarian and hunter-gatherer tribes. The arrival of horses with the Spanish in the 16th century ushered in horse culture -era, when tribes could adopt a nomadic lifestyle and follow abundant bison herds. The Southern Plains villagers , an archaeological culture that flourished from 800 to 1500 AD, lived in semi-sedentary villages throughout

3306-768: The Kansas Territory . This was resolved in 1870 with the Drum Creek Treaty , which reestablished Kansas's southern border as the 37th parallel. This also applied to the then No-Man's Land that became the Oklahoma Panhandle . The Oklahoma-Texas border consists of the Red River of the South in the south and the 100th meridian west as the western border between Oklahoma and the Texas Panhandle. These were first established in

3420-765: The Native American tribes . The proclamation limited the settlement of Europeans to lands east of the Appalachian Mountains . The territory remained active until the Treaty of Paris that ended the American Revolutionary War , and the land was ceded to the United States. The Indian Reserve was slowly reduced in size via treaties with the American colonists, and after the British defeat in the Revolutionary War,

3534-566: The Nonintercourse Act of 1834, and was the successor to the remainder of the Missouri Territory after Missouri received statehood. The borders of Indian Territory were reduced in size as various Organic Acts were passed by Congress to create organized territories of the United States . The 1906 Oklahoma Enabling Act created the single state of Oklahoma by combining Oklahoma Territory and Indian Territory, annexing and ending

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3648-476: The Oklahoma City National Memorial . Oklahoma is in a humid subtropical region that lies in a transition zone between semiarid further to the west, humid continental to the north, and humid subtropical to the east and southeast. Most of the state lies in an area known as Tornado Alley characterized by frequent interaction between cold, dry air from Canada, warm to hot, dry air from Mexico and

3762-915: The Ouachita Mountains , the Arbuckle Mountains , the Wichita Mountains , and the Ozark Mountains . Contained within the U.S. Interior Highlands region, the Ozark and Ouachita Mountains are the only major mountainous region between the Rocky Mountains and the Appalachians . A portion of the Flint Hills stretches into north-central Oklahoma, and near the state's eastern border, The Oklahoma Tourism & Recreation Department regards Cavanal Hill as

3876-616: The South were the most prominent tribes displaced by the policy, a relocation that came to be known as the Trail of Tears during the Choctaw removals starting in 1831. The trail ended in what is now Arkansas and Oklahoma, where there were already many Indians living in the territory, as well as whites and escaped slaves. Other tribes, such as the Delaware , Cheyenne , and Apache were also forced to relocate to

3990-680: The Southern United States . With 39,000 acres (160 km ), the Tallgrass Prairie Preserve in north-central Oklahoma is the largest protected area of tallgrass prairie in the world and is part of an ecosystem that encompasses only ten percent of its former land area, once covering fourteen states. In addition, the Black Kettle National Grassland covers 31,300 acres (127 km ) of prairie in southwestern Oklahoma. The Wichita Mountains Wildlife Refuge

4104-562: The United States government for the relocation of Native Americans who held original Indian title to their land as an independent nation-state. The concept of an Indian territory was an outcome of the U.S. federal government's 18th- and 19th-century policy of Indian removal . After the American Civil War (1861–1865), the policy of the U.S. government was one of assimilation . Indian Territory later came to refer to an unorganized territory whose general borders were initially set by

4218-586: The Washita River and South Canadian River in Oklahoma. Member tribes of the Caddo Confederacy lived in the eastern part of Indian Territory and are ancestors of the Caddo Nation. The Caddo people speak a Caddoan language and is a confederation of several tribes who traditionally inhabited much of what is now East Texas , North Louisiana , and portions of southern Arkansas , and Oklahoma . The tribe

4332-399: The Wichita Mountains dot southwestern Oklahoma ; transitional prairie and oak savannas cover the central portion of the state. The Ozark and Ouachita Mountains rise from west to east over the state's eastern third, gradually increasing in elevation in an eastward direction. More than 500 named creeks and rivers make up Oklahoma's waterways, and with 200 lakes created by dams, it holds

4446-501: The fifty largest cities in the United States are in Oklahoma, Oklahoma City and Tulsa , and sixty-five percent of Oklahomans live within their metropolitan areas, or spheres of economic and social influence defined by the United States Census Bureau as a metropolitan statistical area . Oklahoma City, the state's capital and largest city, had the largest metropolitan area in the state in 2020, with 1,425,695 people, and

4560-606: The metropolitan area of Tulsa had 1,015,331 residents. Between 2000 and 2010, the leading cities in population growth were Blanchard (172.4%), Elgin (78.2%), Jenks (77.0%), Piedmont (56.7%), Bixby (56.6%), and Owasso (56.3%). In descending order of population, Oklahoma's largest cities in 2010 were: Oklahoma City (579,999, +14.6%), Tulsa (391,906, −0.3%), Norman (110,925, +15.9%), Broken Arrow (98,850, +32.0%), Lawton (96,867, +4.4%), Edmond (81,405, +19.2%), Moore (55,081, +33.9%), Midwest City (54,371, +0.5%), Enid (49,379, +5.0%), and Stillwater (45,688, +17.0%). Of

4674-467: The (higher-elevation) panhandle average 58 °F (14 °C), with annual rainfall under 17 in (430 mm). Over almost all of Oklahoma, winter is the driest season. Average monthly precipitation increases dramatically in the spring to a peak in May, the wettest month over most of the state, with its frequent and not uncommonly severe thunderstorm activity. Early June can still be wet, but most years see

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4788-613: The 1819 Adams–Onís Treaty between the United States and Spain. The Oklahoma panhandle was originally part of the Panhandle of the Republic of Texas, but when Texas joined the Union as a slave state, it could not retain any lands north of 36 degrees 30 minutes, as specified in the Missouri Compromise . The Panhandle existed as a no-man's land until 1907 when Oklahoma acquired the territory upon gaining statehood. Oklahoma's Eastern border

4902-494: The 18th century, prior to Indian Removal by the U.S. federal government, the Kiowa , Apache , and Comanche people entered into Indian Territory from the west, and the Quapaw and Osage entered from the east. During Indian Removal of the 19th century, additional tribes received their land either by treaty via land grant from the federal government of the United States or they purchased

5016-572: The Arkansas River and the Poteau River. This became the site of a smuggling camp called "Coke Hill", noted mostly for its importance in cocaine smuggling. After Petitioning congress to hand over jurisdiction, the 57 acres was given to Arkansas in 1905. The 1985 US Supreme Court Case Oklahoma v. Arkansas decided the land would remain Arkansas, even though the Choctaw had not been notified or asked about

5130-472: The Confederacy, reducing the territory of the Five Civilized Tribes and providing land to resettle Plains Native Americans and tribes of the mid-west. General components of replacement treaties signed in 1866 include: One component of assimilation would be the distribution of property held in-common by the tribe to individual members of the tribe. The Medicine Lodge Treaty is the overall name given to three treaties signed in Medicine Lodge, Kansas between

5244-528: The Confederate military during the American Civil War . The Cherokee Nation had an internal civil war. Slavery in Indian Territory was not abolished until 1866. In the period between 1866 and 1899, cattle ranches in Texas strove to meet the demands for food in eastern cities and railroads in Kansas promised to deliver in a timely manner. Cattle trails and cattle ranches developed as cowboys either drove their product north or settled illegally in Indian Territory. In 1881, four of five major cattle trails on

5358-454: The Five Civilized Tribes, and others who had relocated to the Oklahoma section of Indian Territory, fought primarily on the side of the Confederacy during the American Civil War in Indian territory . Brigadier General Stand Watie , a Confederate commander of the Cherokee Nation , became the last Confederate general to surrender in the American Civil War, near the community of Doaksville on June 23, 1865. The Reconstruction Treaties signed at

5472-420: The Indian Western Confederacy at the Battle of Fallen Timbers in 1794, and imposed the Treaty of Greenville , which ceded most of what is now Ohio, part of present-day Indiana , and the lands that include present-day Chicago and Detroit , to the United States federal government . The period after the American Revolutionary War was one of rapid western expansion. The areas occupied by Native Americans in

5586-416: The Indian territory. The Five Civilized Tribes established tribal capitals in the following towns: These tribes founded towns such as Tulsa , Ardmore , Muskogee , which became some of the larger towns in the state. They also brought their African slaves to Oklahoma, which added to the African American population in the state. The Western Lakes Confederacy was a loose confederacy of tribes around

5700-450: The Indiana Potawatomi moved to present-day Osawatomie, Kansas , an event known as the Potawatomi Trail of Death . The group settling in Nebraska adapted to the Plains Indian culture but the group settling in Kansas remained steadfast to their woodlands culture . In 1867, part of the Kansas group negotiated the "Treaty of Washington with the Potawatomi" in which the Kansas Prairie Band Potawatomi Nation split and part of their land in Kansas

5814-706: The Mississippi River, a route for cattle drives from Texas and related regions, and a destination for Southern settlers. There are currently 26 Indigenous languages spoken in Oklahoma . According to the 2020 U.S. census, 14.2 percent of Oklahomans identify as American Indians , the highest indigenous population by percentage in any state. A major producer of natural gas, oil, and agricultural products, Oklahoma relies on an economic base of aviation, energy, telecommunications, and biotechnology. Oklahoma City and Tulsa serve as Oklahoma's primary economic anchors, with nearly two-thirds of Oklahomans living within their metropolitan statistical areas . The name Oklahoma comes from

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5928-462: The Reserve was ignored by European American settlers who slowly expanded westward . At the time of the American Revolutionary War, many Native American tribes had long-standing relationships with the British, and were loyal to Great Britain , but they had a less-developed relationship with the American colonists. After the defeat of the British in the war, the Americans twice invaded the Ohio Country and were twice defeated. They finally defeated

6042-423: The Southeast section of the US through a series of treaties. The southern part of Indian Country (what eventually became the State of Oklahoma) served as the destination for the policy of Indian removal, a policy pursued intermittently by American presidents early in the 19th century, but aggressively pursued by President Andrew Jackson after the passage of the Indian Removal Act of 1830. The Five Civilized Tribes in

6156-407: The Southern Treaty Commission re-wrote treaties with tribes that sided with the Confederacy , reducing the territory of the Five Civilized Tribes and providing land to resettle Plains Indians and tribes of the Midwestern United States . These re-written treaties included provisions for a territorial legislature with proportional representation from various tribes. In time, the Indian Territory

6270-509: The Southwestern U.S., and warm, moist air from the Gulf of Mexico. The interactions between these three contrasting air currents produces severe weather (severe thunderstorms, damaging thunderstorm winds, large hail and tornadoes) with a frequency virtually unseen anywhere else on planet Earth. An average 62 tornadoes strike the state per year—one of the highest rates in the world. Because of Oklahoma's position between zones of differing prevailing temperature and winds, weather patterns within

6384-438: The U.S. In 1995, Oklahoma City was the site of the most destructive act of domestic terrorism in American history. The Oklahoma City bombing of April 19, 1995, in which Timothy McVeigh detonated a large, crude explosive device outside the Alfred P. Murrah Federal Building , killed 168 people, including 19 children. For his crime, McVeigh was executed by the federal government on June 11, 2001. His accomplice, Terry Nichols ,

6498-475: The U.S. and established framework of a legal system between the Caddo and the U.S. Tribal headquarters are in Binger, Oklahoma . The Wichita and Caddo both spoke Caddoan languages , as did the Kichai people , who were also indigenous to what is now Oklahoma and ultimately became part of the Wichita and Affiliated Tribes . The Wichita (and other tribes) signed a treaty of friendship with the U.S. in 1835. The tribe's headquarters are in Anadarko, Oklahoma . In

6612-428: The U.S. government and southern Plains Indian tribes who would ultimately reside in the western part of Indian Territory (ultimately Oklahoma Territory). The first treaty was signed October 21, 1867, with the Kiowa and Comanche tribes. The second, with the Plains Apache , was signed the same day. The third treaty was signed with the Southern Cheyenne and Arapaho on October 28. Another component of assimilation

6726-409: The United States were called Indian country. They were distinguished from " unorganized territory " because the areas were established by treaty. In 1803, the United States agreed to purchase France 's claim to French Louisiana for a total of $ 15 million (less than 3 cents per acre). President Thomas Jefferson doubted the legality of the purchase. Robert R. Livingston , the chief negotiator of

6840-413: The United States . In general, tribes could not sell land to non-Indians ( Johnson v. McIntosh ). Treaties with the tribes restricted entry of non-Indians into tribal areas; Indian tribes were largely self-governing, were suzerain nations, with established tribal governments and well established cultures. The region never had a formal government until after the American Civil War . After the Civil War,

6954-403: The United States, while the legislature was elected by citizens residing in the territory. One elected representative was allowed a seat in the U.S. House of Representatives . The federal government took responsibility for territorial affairs. Later, the inhabitants of the territory could apply for admission as a full state. No such action was taken for the so-called Indian Territory, so that area

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7068-457: The United States, with the intent of combining the Oklahoma and Indian territories into a single State of Oklahoma. The citizens of Indian Territory tried, in 1905, to gain admission to the union as the State of Sequoyah , but were rebuffed by Congress and an Administration which did not want two new Western states, Sequoyah and Oklahoma. Theodore Roosevelt then proposed a compromise that would join Indian Territory with Oklahoma Territory to form

7182-472: The United States; and in the meantime they shall be maintained and protected in the free enjoyment of their liberty, property, and the religion which they profess. This committed the U.S. government to "the ultimate, but not to the immediate, admission" of the territory as multiple states, and "postponed its incorporation into the Union to the pleasure of Congress". After the Louisiana Purchase in 1803, President Thomas Jefferson and his successors viewed much of

7296-432: The acts was the forced assimilation of Indians into white society. Land not allotted to individual Indians was owned by the U.S. government and sold or distributed to settlers and railroads. The proceeds of the land sales were used to educate Indian children and advance the policy of assimilation. As a result of the two acts about one-half of land previously owned by Indian tribes was owned by whites by 1900. Moreover, much of

7410-399: The border of Colorado in the panhandle. The state is home to the Storm Prediction Center , the National Severe Storms Laboratory , the Warning Decision Training Division , and the Radar Operations Center , all part of the National Weather Service and in Norman . Oklahoma had 598 incorporated places in 2010, including four cities over 100,000 in population and 43 over 10,000. Two of

7524-406: The boundaries of the present-day U.S. state of Oklahoma , and the primary residents of the territory were members of the Five Civilized Tribes or Plains tribes that had been relocated to the western part of the territory on land leased from the Five Civilized Tribes. In 1861, the U.S. abandoned Fort Washita , leaving the Chickasaw and Choctaw Nations defenseless against the Plains tribes. Later

7638-492: The climate transitions progressively toward a semiarid zone (Köppen BSk ) in the high plains of the Panhandle and other western areas from about Lawton westward, less frequently touched by southern moisture. Precipitation and temperatures decline from east to west accordingly, with areas in the southeast averaging an annual temperature of 62 °F (17 °C) and an annual rainfall of generally over 40 in (1,020 mm) and up to 56 in (1,420 mm), while areas of

7752-462: The end of the Civil War fundamentally changed the relationship between the tribes and the U.S. government. The Reconstruction era played out differently in Indian Territory and for Native Americans than for the rest of the country. In 1862, Congress passed a law that allowed the president, by proclamation, to cancel treaties with Indian Nations siding with the Confederacy (25 USC 72). The United States House Committee on Territories (created in 1825)

7866-496: The existence of an unorganized independent Indian Territory as such, and formally incorporating the tribes and residents into the United States. Before Oklahoma statehood, Indian Territory from 1890 onward comprised the territorial holdings of the Cherokee , Choctaw , Chickasaw , Creek , Seminole , and other displaced Eastern American tribes. Indian reservations remain within the boundaries of U.S. states, but are largely exempt from state jurisdiction. The term " Indian country "

7980-415: The land allotted to individual Indian heads of families became white-owned. Allottees often sold or were fraudulently deprived of their land. The acquisition of tribal lands by the U.S. government led to land runs , also called "land rushes," from 1887 and 1895. Major land runs, including the Land Rush of 1889 , opened up millions of acres of formerly tribal lands to white settlement. The "rushes" began at

8094-442: The land receiving fee simple recorded title . Many of the tribes forcibly relocated to Indian Territory were from Southeastern United States , including the so-called Five Civilized Tribes or Cherokee , Chickasaw , Choctaw , Muscogee Creeks , and Seminole , but also the Natchez , Yuchi , Alabama , Koasati , and Caddo people . Between 1814 and 1840, the Five Civilized Tribes had gradually ceded most of their lands in

8208-404: The land to settlement. With ancient mountain ranges, prairie, mesas , and eastern forests, most of Oklahoma lies in the Great Plains , Cross Timbers , and the U.S. Interior Highlands , all regions prone to severe weather. Oklahoma is at a confluence of three major American cultural regions . Historically, it served as a government-sanctioned territory for American Indians moved from east of

8322-605: The land west of the Mississippi River as a place to resettle the Native Americans, so that white settlers would be free to live in the lands east of the river. Indian removal became the official policy of the United States government with the passage of the 1830 Indian Removal Act , formulated by President Andrew Jackson . When Louisiana became a state in 1812, the remaining territory was renamed Missouri Territory to avoid confusion. Arkansaw Territory , which included

8436-650: The late 1920s, the Ku Klux Klan had declined to negligible influence within the state. During the 1930s, parts of the state began to suffer from the consequences of poor farming practices. This period was known as the Dust Bowl , throughout which areas of Kansas, Texas, New Mexico, and northwestern Oklahoma were hampered by long periods of little rainfall, strong winds, abnormally high temperatures, and most notably, severe dust storms sending thousands of farmers into poverty and forcing them to relocate to more fertile areas of

8550-586: The laws of Arkansas to the still unorganized Indian Territory, since for years the federal U.S. District Court on the eastern borderline in Ft. Smith, Arkansas had criminal and civil jurisdiction over the territory. The concept of an Indian territory is the successor to the British Indian Reserve , a British American territory established by the Royal Proclamation of 1763 that set aside land for use by

8664-474: The low wetlands of its southeastern boundary. Its highest and lowest points follow this trend, with its highest peak, Black Mesa , at 4,973 feet (1,516 m) above sea level, situated near its far northwest corner in the Oklahoma Panhandle . The state's lowest point is on the Little River near its far southeastern boundary near the town of Idabel , which dips to 289 feet (88 m) above sea level. Among

8778-515: The most geographically diverse states, Oklahoma is one of four to harbor more than 10 distinct ecological regions , with 11 in its borders—more per square mile than in any other state. Its western and eastern halves, however, are marked by extreme differences in geographical diversity: Eastern Oklahoma touches eight ecological regions and its western half contains three. Although having fewer ecological regions Western Oklahoma contains many rare, relic species. Oklahoma has four primary mountain ranges:

8892-573: The name Oklahoma, which derives from the Choctaw phrase okla , 'people', and humma , translated as 'red'. He envisioned an all–American Indian state controlled by the tribes and overseen by the United States Superintendent of Indian Affairs . Oklahoma later became the de facto name for Oklahoma Territory , and it was officially approved in 1890, two years after that area was opened to white settlers. The Oklahoma Organic Act of 1890 created an organized Oklahoma Territory of

9006-617: The nation's highest number of artificial reservoirs. Most of the state lies in two primary drainage basins belonging to the Red and Arkansas Rivers, though the Lee and Little Rivers also contain significant drainage basins. Due to Oklahoma's location at the confluence of many geographic regions, the state's climatic regions have a high rate of biodiversity. Forests cover 24 percent of Oklahoma and prairie grasslands composed of shortgrass, mixed-grass, and tallgrass prairie , harbor expansive ecosystems in

9120-484: The nation's largest prairie dog towns inhabit shortgrass prairie in the state's panhandle. The Cross Timbers , a region transitioning from prairie to woodlands in Central Oklahoma, harbors 351 vertebrate species . The Ouachita Mountains are home to black bear , red fox , gray fox , and river otter populations, which coexist with 328 vertebrate species in southeastern Oklahoma. Also in southeastern Oklahoma lives

9234-409: The present State of Arkansas plus much of the state of Oklahoma, was created out of the southern part of Missouri Territory in 1819. During negotiations with the Choctaw in 1820 for the Treaty of Doak's Stand , Andrew Jackson ceded more of Arkansas Territory to the Choctaw than he realized, from what is now Oklahoma into Arkansas, east of Ft. Smith, Arkansas . The General Survey Act of 1824 allowed

9348-599: The present states of Oklahoma, Kansas, Nebraska and part of Iowa. Before the 1871 Indian Appropriations Act , much of what was called Indian Territory was a large area in the central part of the United States whose boundaries were set by treaties between the US Government and various indigenous tribes. After 1871, the Federal Government dealt with Indian Tribes through statute; the 1871 Indian Appropriations Act also stated that "hereafter no Indian nation or tribe within

9462-553: The purchase, however, believed that the 3rd article of the treaty of the Louisiana Purchase would be acceptable to Congress . The 3rd article stated, in part: the inhabitants of the ceded territory shall be incorporated in the Union of the United States, and admitted as soon as possible, according to the principles of the Federal Constitution, to the enjoyment of all the rights, advantages, and immunities of citizens of

9576-744: The purposes of criminal law. Later decisions by the Oklahoma Court of Criminal Appeals also found the Quapaw Nation, Ottawa Tribe, Peoria Tribe, and Miami Tribe also had existing reservations. The Osage Nation is awaiting for a possible appellate decision after a district judge had ruled that the Osage reservation was disestablished. Oklahoma is the 20th-largest state in the United States, covering an area of 69,895 square miles (181,030 km ), with 68,591 square miles (177,650 km ) of land and 1,304 square miles (3,380 km ) of water. It lies partly in

9690-526: The rights of Indians to continue their separate tribal governments, and vocally championed opening the area to white settlement while campaigning for Abraham Lincoln in 1860. Some historians argued Seward's words steered many tribes, notably the Cherokee and the Choctaw into an alliance with the Confederate States. At the beginning of the Civil War , Indian Territory had been essentially reduced to

9804-759: The same year, the Confederate States of America signed a Treaty with Choctaws and Chickasaws . Ultimately, the Five Civilized Tribes and other tribes that had been relocated to the area, signed treaties of friendship with the Confederacy. During the Civil War, Congress gave the U.S. president the authority to, if a tribe was "in a state of actual hostility to the government of the United States... and, by proclamation, to declare all treaties with such tribe to be abrogated by such tribe"(25 USC Sec. 72). Members of

9918-427: The state can vary widely over relatively short distances, and they can change drastically in a short time. On November 11, 1911, the temperature at Oklahoma City reached 83 °F (28 °C) (the record high for that date), then a cold front of unprecedented intensity slammed across the state, causing the temperature to reach 17 °F (−8 °C) (the record low for that date) by midnight. This type of phenomenon

10032-463: The state in 1541, but French explorers claimed the area in the early 18th century. By the 18th century, Comanche and Kiowa entered the region from the west and Quapaw and Osage peoples moved into what is now eastern Oklahoma. French colonists claimed the region until 1803, when all the French territory west of the Mississippi River was acquired by the United States in the Louisiana Purchase . The territory

10146-518: The state's southeastern quarter , while mixtures of largely post oak , elm , red cedar ( Juniperus virginiana ), and pine forests cover northeastern Oklahoma . The state holds populations of white-tailed deer , mule deer , antelope , coyotes , mountain lions , bobcats , elk , and birds such as quail , doves , cardinals , bald eagles , red-tailed hawks , and pheasants . In prairie ecosystems, American bison , greater prairie chickens , badgers , and armadillo are common, and some of

10260-643: The state's central and western portions, although cropland has largely replaced native grasses. Where rainfall is sparse in the state's western regions, shortgrass prairie and shrublands are the most prominent ecosystems, though pinyon pines , red cedar ( junipers ), and ponderosa pines grow near rivers and creek beds in the panhandle's far western reaches. Southwestern Oklahoma contains many rare, disjunct species , including sugar maple , bigtooth maple , nolina , and Texas live oak . Marshlands , cypress forests, and mixtures of shortleaf pine , loblolly pine , blue palmetto , and deciduous forests dominate

10374-511: The state's ten largest cities, three are outside the metropolitan areas of Oklahoma City and Tulsa, and only Lawton has a metropolitan statistical area of its own as designated by the United States Census Bureau, though the metropolitan statistical area of Fort Smith, Arkansas extends into the state. Indian Territory Indian Territory and the Indian Territories are terms that generally described an evolving land area set aside by

10488-587: The state, with a subgroup, the Panhandle culture people, living in the panhandle region. Caddoan Mississippian culture peoples lived in the eastern part of the state. Spiro Mounds , in what is now Spiro, Oklahoma , was a major Mississippian mound complex that flourished between AD 850 and 1450. Plains Apache people settled in the Southern Plains and in Oklahoma between 1300 and 1500. The expedition of Spaniard Francisco Vázquez de Coronado traveled through

10602-639: The term sooners , which eventually became the state's official nickname. George Washington Steele was appointed the first governor of the territory of Oklahoma in 1890. Attempts to create an all-Indian state named Oklahoma and a later attempt to create an all-Indian state named Sequoyah failed but the Sequoyah Statehood Convention of 1905 eventually laid the groundwork for the Oklahoma Statehood Convention, which took place two years later. On June 16, 1906, Congress enacted

10716-470: The territories were: Kansas became a state in 1861, and Nebraska became a state in 1867. In 1890 the Oklahoma Organic Act created Oklahoma Territory out of the western part of Indian Territory, in anticipation of admitting both Indian Territory and Oklahoma Territory as a future single State of Oklahoma. Some in federal leadership, such as Secretary of State William H. Seward did not believe in

10830-532: The territory being handed over. Therefore, the Poteau River serves as the Oklahoma-Arkansas boundary for approximately 1 mile, reducing the Choctaw Reservation and later Oklahoma by 57 acres as established in the treaties of the early 1800s. Oklahoma is between the Great Plains and the Ozark Plateau in the Gulf of Mexico watershed, generally sloping from the high plains of its western boundary to

10944-411: The territory of the United States shall be acknowledged or recognized as an independent nation, tribe, or power with whom the United States may contract by treaty: Provided, further, That nothing herein contained shall be construed to invalidate or impair the obligation of any treaty heretofore lawfully made and ratified with any such Indian nation or tribe". The Indian Appropriations Act also made it

11058-564: The western United States. Over a twenty-year period ending in 1950, the state saw its only historical decline in population, dropping 6.9 percent as impoverished families migrated out of the state after the Dust Bowl. Soil and water conservation projects markedly changed practices in the state, leading to the construction of massive flood control systems and dams to supply water for domestic needs and agricultural irrigation. As of 2024, Oklahoma had more than 4,700 dams, about 20% of all dams in

11172-521: The western edge of Fort Smith Arkansas, with one line running northeast from the Red River and the other running southeast from the Oklahoma-Arkansas-Missouri border. The Choctaw-Arkansas border was established in the 1820 Treaty of Doak's Sand , and later refined in the 1830 Treaty of Dancing Rabbit Creek . These treaties left a 57-acre exclave of the Choctaw reservation bounded by Arkansas,

11286-579: The western frontier traveled through Indian Territory. Increased presence of white settlers in Indian Territory and their demand for land owned and guaranteed to Indian tribes by treaties with the U.S. government prompted the United States to enact the Dawes Act in 1887 and the Curtis Act of 1898 . The acts abolished tribal governments, eliminated tribal ownership of land, and allotted 160 acres (65 ha) of land to each head of an Indian family. An objective of

11400-535: The western part of Indian Territory, where they farmed maize and hunted buffalo. They are likely ancestors of the Wichita and Affiliated Tribes . The ancestors of the Wichita have lived in the eastern Great Plains from the Red River north to Nebraska for at least 2,000 years. The early Wichita people were hunters and gatherers who gradually adopted agriculture. By about 900 AD, farming villages began to appear on terraces above

11514-530: The world's tallest hill; at 1,999 feet (609 m), it fails their definition of a mountain by one foot. The semi-arid high plains in the state's northwestern corner harbor few natural forests; the region has a rolling to flat landscape with intermittent canyons and mesa ranges like the Glass Mountains . Partial plains interrupted by small, sky island mountain ranges like the Antelope Hills and

11628-658: Was a part of the Arkansas Territory from 1819 until 1828. During the 19th century, the U.S. federal government forcibly removed tens of thousands of American Indians from their ancestral homelands from across North America and transported them to the area including and surrounding present-day Oklahoma. The Choctaw was the first of the Five Civilized Tribes to be removed from the Southeastern United States . The phrase " Trail of Tears " originated from

11742-582: Was effectively extinguished. However, in 2020, the United States Supreme Court prompted a review of tribal lands through its decision in McGirt v. Oklahoma . Subsequently, almost the entire eastern half of Oklahoma was found to have remained Indian country . Indian Territory marks the confluence of the Southern Plains and Southeastern Woodlands cultural regions . Its western region is part of

11856-573: Was examining the effectiveness of the policy of Indian removal, which was after the war considered to be of limited effectiveness. It was decided that a new policy of Assimilation would be implemented. To implement the new policy, the Southern Treaty Commission was created by Congress to write new treaties with the Tribes siding with the Confederacy. After the Civil War the Southern Treaty Commission re-wrote treaties with tribes that sided with

11970-428: Was homesteading. The Homestead Act of 1862 was signed into law by President Abraham Lincoln . The Act gave an applicant freehold title to an area called a "homestead" – typically 160 acres (65 hectares or one-fourth section ) of undeveloped federal land . Within Indian Territory, as lands were removed from communal tribal ownership, a land patent (or first-title deed) was given to tribal members. The remaining land

12084-561: Was not a traditional territory for the tribes settled upon it. The general borders were set by the Indian Intercourse Act of 1834. The territory was located in the Central United States . While Congress passed several Organic Acts that provided a path for statehood for much of the original Indian Country , Congress never passed an Organic Act for the Indian Territory. Indian Territory was never an organized territory of

12198-522: Was not treated as a legal territory. The reduction of the land area of Indian Territory (or Indian Country, as defined in the Indian Intercourse Act of 1834), the successor of Missouri Territory began almost immediately after its creation with: Indian Country was reduced to the approximate boundaries of the current state of Oklahoma by the Kansas–Nebraska Act of 1854, which created Kansas Territory and Nebraska Territory . The key boundaries of

12312-420: Was officially approved in 1890, two years after that area was opened to American settlers . Indigenous peoples were present in what is now Oklahoma by the last ice age . Ancestors of the Wichita and Affiliated Tribes (including Teyas and Escanjaques and Tawakoni ), Tonkawa , and Caddo (including Kichai ) lived in what is now Oklahoma. Southern Plains villagers lived in the central and west of

12426-576: Was once part of the Caddoan Mississippian culture and thought to be an extension of woodland period peoples who started inhabiting the area around 200 BC. In an 1835 Treaty made at the agency-house in the Caddo Nation and state of Louisiana , the Caddo Nation sold their tribal lands to the U.S. In 1846, the Caddo, along with several other tribes, signed a treaty that made the Caddo a protectorate of

12540-541: Was reduced to what is now Oklahoma . The Organic Act of 1890 reduced Indian Territory to the lands occupied by the Five Civilized Tribes and the Tribes of the Quapaw Indian Agency (at the borders of Kansas and Missouri). The remaining western portion of the former Indian Territory became the Oklahoma Territory . The Oklahoma Organic Act applied the laws of Nebraska to the organized Oklahoma Territory, and

12654-537: Was sold on a first-come basis, typically by land run , with settlers also receiving a land patent type deed. For these now former Indian lands, the United States General Land Office distributed the sales funds to the various tribal entities, according to previously negotiated terms. It was in 1866 during treaty negotiations with the federal government on the use of the land, that Choctaw Nation Chief Kiliahote suggested that Indian Territory be given

12768-720: Was sold, purchasing land near present-day Shawnee, Oklahoma , they became the Citizen Potawatomi Nation . The Odawa tribe first purchased lands near Ottawa, Kansas , residing there until 1867 when they sold their lands in Kansas and purchased land in an area administered by the Quapaw Indian Agency in Ottawa County, Oklahoma , becoming the Ottawa Tribe of Oklahoma . The Peoria tribe , native to Southern Illinois , moved south to Missouri then and Kansas , where they joined

12882-473: Was then Indian Territory. McCabe discussed with President Theodore Roosevelt the possibility of making Oklahoma a majority-Black state. By the early 20th century, the Greenwood district of Tulsa was one of the most prosperous African-American communities in the United States. Jim Crow laws had established racial segregation since before the start of the 20th century, but Tulsa's Black residents had created

12996-509: Was westward, the turmoil caused by the rapid advancement of the disease quickly overwhelmed both health workers and local governing bodies. In Oklahoma City, shortages of both supplies and personnel were mitigated, in part, by the mobilization of the American Red Cross. Rough estimates based on contemporary reports indicate that approximately 100,000 people fell ill with the disease before the pandemic ebbed in 1919. Of those 100,000 cases, it

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