paragraph_text: The Branch River is an long river located in eastern New Hampshire in the United States. It is a tributary of the Salmon Falls River, part of the Piscataqua River watershed leading to the Atlantic Ocean.

paragraph_text: The West Branch of the Warner River is a river located in central New Hampshire in the United States. It is a tributary of the Warner River, part of the Contoocook River (and ultimately Merrimack River) watershed.

paragraph_text: The five Great Lakes are located in the north-central portion of the country, four of them forming part of the border with Canada, only Lake Michigan situated entirely within United States. The southeast United States contain subtropical forests and, near the gulf coast, mangrove wetlands, especially in Florida. West of the Appalachians lies the Mississippi River basin and two large eastern tributaries, the Ohio River and the Tennessee River. The Ohio and Tennessee Valleys and the Midwest consist largely of rolling hills and productive farmland, stretching south to the Gulf Coast.

paragraph_text: Martic Forge is an unincorporated community in Martic Township in Lancaster County, Pennsylvania, United States. Martic Forge is located at the intersection of Pennsylvania Route 324 and River Road just east of the Pequea Creek.

paragraph_text: The Daniel Waring House, also known as Indian Hill, is located on River Road (Orange County Route 29) just outside the village of Montgomery, New York, United States. It sits on a large parcel of land overlooking the Wallkill River at the junction of River Road and NY 17K, just opposite the western approach to Ward's Bridge.

paragraph_text: Kirkwood is a rural unincorporated community located at the intersection of Kirkwood and River Roads in southwestern Orange Township, Shelby County, Ohio, United States.

paragraph_text: Hunting, Wisconsin is a former unincorporated community of Shawano and Waupaca Counties, located in the towns of Belle Plaine and Matteson, along the north shore of the Embarrass River, United States. Today little more remains of the community than the name of the road that traverses it: "Hunting Road."

paragraph_text: Recruit Training Command, Great Lakes (RTC Great Lakes), is a unit within the United States Navy primarily responsible for conducting the initial orientation and indoctrination of incoming recruits. It is part of Naval Service Training Command, and is located at Naval Station Great Lakes, Illinois.

paragraph_text: In 1817 elected delegates wrote a constitution and applied to Congress for statehood. On Dec. 10, 1817, the western portion of Mississippi Territory became the State of Mississippi, the 20th state of the Union. Natchez, long established as a major river port, was the first state capital. As more population came into the state and future growth was anticipated, in 1822 the capital was moved to the more central location of Jackson.

paragraph_text: The North Branch of the Contoocook River is a river located in southwestern New Hampshire in the United States. It is a tributary of the Contoocook River, part of the Merrimack River watershed.

paragraph_text: The Pigeon River forms part of the Canada–United States border between the state of Minnesota and the province of Ontario, west of Lake Superior. In pre-industrial times the river was a waterway of great importance for transportation and the fur trade.

paragraph_text: The Great River Road is a collection of state and local roads that follow the course of the Mississippi River through ten states of the United States. They are Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi and Louisiana. It formerly extended north into Canada, serving the provinces of Ontario and Manitoba.

paragraph_text: The Fielding Garr Ranch is a ranch located on the southeastern portion of Antelope Island State Park in the Great Salt Lake, Utah, United States and is part of the Utah State Parks system.

paragraph_text: Waconda is a historic unincorporated community in Marion County, Oregon, United States, near the crossroads of River Road and Waconda Road.

paragraph_text: The Coliban River, an inland perennial river of the northcentral catchment, part of the Murray-Darling basin, is located in the lower Riverina bioregion and Central Highlands region of the Australian state of Victoria. The headwaters of the Coliban River rise on the northern slopes of the Great Dividing Range and descend to flow north into the Campaspe River with the impounded Lake Eppalock.

paragraph_text: Range is an unincorporated community located in the towns of Apple River and Beaver, Polk County, Wisconsin, United States. It is along U.S. Highway 8 and County Road D, 60th Street.

paragraph_text: Skiffe's Creek is located in James City County and the independent city of Newport News in the Virginia Peninsula area of the Hampton Roads region of southeastern Virginia in the United States. It is a tributary of the James River.

paragraph_text: Koss is an unincorporated community in Menominee County, Michigan, United States. Koss is located in Lake Township on the left bank of the Menominee River along S-1 Road, west-southwest of Stephenson.

paragraph_text: Embudo (also Embudo Station) is an unincorporated community in Rio Arriba County, New Mexico, United States. It is on NM State Road 68. The Embudo Station is located 2.9 miles south of the intersection of NM State Road 75, near where the Embudo River flows into the Rio Grande.

paragraph_text: Kingsburg is an unincorporated community in Florence County, South Carolina, United States. The community is located at the intersection of US 378, SC 41, SC 51 and River Road (S-21-57), in southeastern Florence County. Wedged between the Great Pee Dee River and Lynches River, the area is a predominantly farming community.

Question: When did the state where Great River Road is located become part of the U.S.?
Answer: Dec. 10, 1817