paragraph_text: Montgomery is a town in Franklin County, Vermont, United States. The population as of the 2010 census was 1,201, up from 992 in 2000. In 1963, part of Avery's Gore in Franklin County became part of Montgomery, with the other section becoming part of Belvidere in Lamoille County.

paragraph_text: Hinsdale County is one of the 64 counties of the U.S. state of Colorado. As of the 2010 census, the population was 843, making it the third-least populous county in Colorado. With a population density of only 0.75 inhabitants per square mile (0.29/km2), it is also the least-densely populated county in Colorado. The county seat and only incorporated municipality in the county is Lake City. The county is named for George A. Hinsdale, a prominent pioneer and former Lieut. Governor of Colorado.

paragraph_text: Monowi ( ) is an incorporated village in Boyd County, Nebraska, United States. According to the 2010 census, it has a population of 1. It is the only incorporated municipality in the United States with such a population. The sole resident is the mayor as well as librarian and bartender.

paragraph_text: New York State Route 100 (NY 100) is a major north–south state highway in Westchester County, New York, in the United States. It begins parallel to Interstate 87 (I-87) at a junction with the Cross County Parkway in the city of Yonkers and runs through most of the length of the county up to U.S. Route 202 (US 202) in the town of Somers. NY 100 was designated as part of the 1930 renumbering of state highways in New York. Prior to becoming a state road, various sections of NY 100 were part of several important early roads in the county.

paragraph_text: Haleburg is a town in Henry County, Alabama, United States. It is part of the Dothan, Alabama Metropolitan Statistical Area. At the 2010 census the population was 103. Established in 1885 as "Halesburgh", the town was incorporated in September, 1911, as "Halesburg". Since then, for reasons unknown, it has become known as the current "Haleburg".

paragraph_text: Mingoville is an unincorporated community and census-designated place (CDP) in Walker Township, Centre County, Pennsylvania, United States. As of the 2010 census, the population was 503 residents.

paragraph_text: Avenal is a city in Kings County, California, United States. Avenal is located southwest of Hanford, at an elevation of . It is part of the Hanford–Corcoran Metropolitan Statistical Area (MSA Code 25260), which encompasses all of Kings County. In area, it is the largest city in Kings County. The Zip Code for this community is 93204, and telephone numbers use the sequence (559) 386-XXXX. The population was 15,505 in the 2010 census, which includes inmates at the Avenal State Prison, the first prison actively solicited by a community in the state of California. Many of the remaining residents largely either work at the prison or in the agriculture industry. The prison provides approximately 1,000 jobs to residents. The California Department of Finance estimated that Avenal's population was 13,159 on January 1, 2015. As of that date, Avenal State Prison held 4,165 inmates, which was about 32% of the total population of Avenal. Inmates are counted as city residents by both the United States Census and the California Department of Finance.

paragraph_text: Port St. Lucie is a city in St. Lucie County, Florida, United States. It is the most populous municipality in the county with a population of 164,603 at the 2010 census due to its rapid growth during the 2000s. In 2013, the state of Florida estimated the city's population at 171,016. Port St. Lucie forms part of a metropolitan area called the Port St. Lucie, Florida Metropolitan Statistical Area that in 2013 was estimated to have 438,095 residents. As of 2015, the city had 179,413 residents, surpassing Fort Lauderdale in population.

paragraph_text: Vermont Route 225 is a short state highway in Grand Isle County, Vermont, United States. It runs from U.S. Route 2 north of Alburgh and runs due north to the Canada–US border, where it becomes Quebec Route 225, from which it derives its number. The route is entirely within Alburgh in Grand Isle County. The entirety of VT 225 is maintained by the town of Alburgh.

paragraph_text: The Monona County Courthouse, located in Onawa, Iowa, United States, was built in 1892. It was listed on the National Register of Historic Places in 1981 as a part of the County Courthouses in Iowa Thematic Resource. The courthouse is the third building the county has used for court functions and county administration.

paragraph_text: Mansion House (also referred to as Ellarslie and McCall House) is a historic residence located in Trenton, Mercer County, New Jersey, United States. The house was built as a summer residence for Henry McCall Sr. of Philadelphia in 1848, and is one of the earliest examples of Italianate architecture in the United States.

paragraph_text: Ochopee is an unincorporated community in Collier County, Florida, United States. It is located to the east of the intersection of US 41 and State Road 29, near Carnestown. The community is part of the Naples–Marco Island Metropolitan Statistical Area.

paragraph_text: Monroe v. Pape, 365 U.S. 167 (1961), was a United States Supreme Court case that considered the application of federal civil rights law to constitutional violations by city employees. The case was significant because it held that 42 U.S.C. § 1983, a statutory provision from 1871, could be used to sue state officers who violated a plaintiff's constitutional rights. § 1983 had previously been a relatively obscure and little - used statute, but since Monroe it has become a central part of United States civil rights law.

paragraph_text: Bancroft was a town in Aroostook County, Maine, United States. The population was 68 at the 2010 census. As of 2013, the population of the town was 60. On July 1, 2015 the town voted to deorganize and become part of the unorganized territory of South Aroostook.

paragraph_text: Lake Petersburg is a census-designated place in Menard County, Illinois, United States. Its population was 719 as of the 2010 census. The unincorporated community centers on a small reservoir, which is used extensively by residents for recreation.

paragraph_text: McRae is a city in White County, Arkansas, United States. The population was 682 at the 2010 census, estimated by 2017 to have increased to 766 residents.

paragraph_text: The United States Congress passed an enabling act on March 3, 1875, specifying the requirements for the Territory of Colorado to become a state. On August 1, 1876 (28 days after the Centennial of the United States), U.S. President Ulysses S. Grant signed a proclamation admitting the state of Colorado to the Union as the 38th state and earning it the moniker ``Centennial State ''. The borders of the new state coincided with the borders established for the Colorado Territory.

paragraph_text: Broken Arrow is a city located in the northeastern part of the U.S. state of Oklahoma, primarily in Tulsa County but also with a section of the city in western Wagoner County. It is the largest suburb of Tulsa. According to the 2010 census, Broken Arrow has a population of 98,850 residents and is the fourth-largest city in the state. However, a July 2017, estimate reports that the population of the city is just under 112,000, making it the 280th-largest city in the United States. The city is part of the Tulsa Metropolitan Area, which has a population of 961,561 residents.

paragraph_text: Bladon Springs is an unincorporated community in Choctaw County, Alabama, United States. The community grew up around and gained its name from the mineral springs that once were operated as a renowned hotel and spa, now within the modern Bladon Springs State Park. The community itself featured many ornate homes and cottages built as summer residences by people from other parts of the state and elsewhere. Much of the community is part of the Bladon Springs Historic District, listed on the Alabama Register of Landmarks and Heritage on April 1, 1976.

paragraph_text: Berks County Community Foundation is a public benefit organization located in Reading, Pennsylvania, United States. The Foundation's mission is to promote philanthropy and improve the quality of life for the residents of Berks County, Pennsylvania.

Question: When did the U.S. state containing Hinsdale county become part of the United States?
Answer: August 1, 1876