paragraph_text: In the wake of the Charleston church shooting in June 2015, several municipalities in the United States removed monuments and memorials dedicated to the Confederate States of America. The momentum accelerated in August 2017 after the Unite the Right rally in Charlottesville, Virginia. The removals were driven by the belief that the monuments glorify white supremacy and memorialize a government whose founding principle was the perpetuation and expansion of slavery. Many of those who object to the removals claim that the artifacts are part of the cultural heritage of the United States.

paragraph_text: The Boy Scout Memorial is a public artwork by American sculptor Donald De Lue, located at The Ellipse in Washington, D.C., United States. This sculpture was surveyed in 1993 as part of the Smithsonian's Save Outdoor Sculpture! program. The "Boy Scout Memorial" serves as a tribute to the Boy Scouts of America.

paragraph_text: Proctor is a town in Rutland County, Vermont, United States. The population was 1,741 at the 2010 census. Proctor is home to the Vermont Marble Museum and Wilson Castle.

paragraph_text: Mount Rushmore National Memorial is a sculpture carved into the granite face of Mount Rushmore, a batholith in the Black Hills in Keystone, South Dakota, United States. Sculptor Gutzon Borglum created the sculpture's design and oversaw the project's execution from 1927 to 1941 with the help of his son, Lincoln Borglum. Mount Rushmore features 60 - foot (18 m) sculptures of the heads of four United States presidents: George Washington (1732 -- 1799), Thomas Jefferson (1743 -- 1826), Theodore Roosevelt (1858 -- 1919), and Abraham Lincoln (1809 -- 1865). The memorial park covers 1,278.45 acres (2.00 sq mi; 5.17 km) and is 5,725 feet (1,745 m) above sea level.

paragraph_text: On March 4, 1921, the United States Congress approved the burial of an unidentified American serviceman from World War I in the plaza of the new Memorial Amphitheater. On November 11, 1921, the unknown soldier brought back from France was interred below a three - level marble tomb. The bottom two levels are six marble sections each and the top at least nine blocks with a rectangular opening in the center of each level through which the unknown remains were placed through the tomb and into the ground below. A stone, rather than marble, slab covers the rectangular opening.

paragraph_text: Wellfleet is a village in Lincoln County, Nebraska, United States. It is part of the North Platte, Nebraska Micropolitan Statistical Area. The population was 78 at the 2010 census.

paragraph_text: Arabela is an unincorporated community located in Lincoln County, New Mexico, United States. Arabela is located in a rural part of eastern Lincoln County, east of Capitan.

paragraph_text: Vienna is a town in Lincoln Parish, Louisiana, United States. The population was 424 at the 2000 census. It is part of the Ruston Micropolitan Statistical Area.

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: Bennet is a village in Lancaster County, Nebraska, United States. It is part of the Lincoln, Nebraska Metropolitan Statistical Area. The population was 719 at the 2010 census.

paragraph_text: The Star City Confederate Memorial is located at the southwest corner of the town square of Star City, Arkansas. The marble monument depicts a Confederate Army soldier standing in mid stride with his left foot forward. His hands hold the barrel of a rifle, whose butt rests on the monument base. The statue is about high and square; it rests on a marble foundation that is long, wide, and high. The monument was erected in 1926 by a local chapter of the United Daughters of the Confederacy at a cost of about $2,500.

paragraph_text: The exterior of the Memorial echoes a classic Greek temple and features Yule marble from Colorado. The structure measures 189.7 by 118.5 feet (57.8 by 36.1 m) and is 99 feet (30 m) tall. It is surrounded by a peristyle of 36 fluted Doric columns, one for each of the 36 states in the Union at the time of Lincoln's death, and two columns in - antis at the entrance behind the colonnade. The columns stand 44 feet (13 m) tall with a base diameter of 7.5 feet (2.3 m). Each column is built from 12 drums including the capital. The columns, like the exterior walls and facades, are inclined slightly toward the building's interior. This is to compensate for perspective distortions which would otherwise make the memorial appear to bulge out at the top when compared with the bottom, a common feature of Ancient Greek architecture.

paragraph_text: Date Time Opponent Rank Site TV Result Attendance September 14 2: 00 PM Wyoming * No. 14 Memorial Stadium Lincoln, Nebraska W 13 - 10 66,922 September 21 2: 00 PM Utah * No. 14 Memorial Stadium Lincoln, Nebraska W 31 - 0 66,198 September 28 1: 30 PM at No. 17 Minnesota * No. 9 Memorial Stadium Minneapolis W 17 - 14 53,362 October 12 2: 00 PM No. 6 Kansas No. 9 Memorial Stadium Lincoln, Nebraska L 13 - 23 68,128 October 19 2: 00 PM No. 20 Missouri No. 13 Memorial Stadium Lincoln, Nebraska L 14 - 16 66,818 October 26 1: 30 PM at Oklahoma State Lewis Field Stillwater, Oklahoma W 21 - 20 35,000 November 2 2: 00 PM at Iowa State Clyde Williams Field Ames, Iowa W 24 - 13 30,463 November 9 2: 00 PM Kansas State Memorial Stadium Lincoln, Nebraska L 0 - 12 67,466 November 16 2: 30 PM at Colorado Folsom Field Boulder, Colorado W 22 - 6 48,327 November 23 2: 05 PM at No. 14 Oklahoma Oklahoma Memorial Stadium Norman, Oklahoma ABC L 0 - 47 46,011 * Non-conference game. Homecoming. Rankings from AP Poll released prior to game. All times are in Central Time.

paragraph_text: With Congressional approval and a $300,000 allocation, the project got underway. On February 12, 1914, a dedication ceremony was conducted and the following month the actual construction began. Work progressed steadily according to schedule. Some changes were made to the plan. The statue of Lincoln, originally designed to be 10 feet (3.0 m) tall, was enlarged to 19 feet (5.8 m) to prevent it from being overwhelmed by the huge chamber. As late as 1920, the decision was made to substitute an open portal for the bronze and glass grille which was to have guarded the entrance. Despite these changes, the Memorial was finished on schedule. Commission president William H. Taft -- who was then Chief Justice of the United States -- dedicated the Memorial on May 30, 1922 and presented it to President Warren G. Harding, who accepted it on behalf of the American people. Lincoln's only surviving son, 78 - year - old Robert Todd Lincoln, was in attendance.

paragraph_text: North Platte is a city in and the county seat of Lincoln County, Nebraska, United States. It is located in the southwestern part of the state, along Interstate 80, at the confluence of the North and South Platte Rivers forming the Platte River. The population was 24,733 at the 2010 census.

paragraph_text: The Lincoln cent is the current one - cent coin of the U.S. It was adopted in 1909 (which would have been Lincoln's 100th birthday), replacing the Indian Head cent. Its reverse was changed in 1959 from a wheat - stalks design to a design which includes the Lincoln Memorial (to commemorate Lincoln's sesquicentennial) and was replaced again in 2009 with four new designs to commemorate Lincoln's bicentennial. There are more one - cent coins produced than any other denomination, which makes the Lincoln cent a familiar item. In its lifespan, this coin has weathered both world wars, one of which temporarily changed its composition as part of the war effort. The obverse is the longest design used for any circulating American currency.

paragraph_text: Panama is a village in Lancaster County, Nebraska, United States. It is part of the Lincoln, Nebraska Metropolitan Statistical Area. The population was 256 at the 2010 census.

paragraph_text: Charles R. Weatherhogg (1872 - 1937) was an American architect from Fort Wayne, Indiana. He was born in Donington, England and attended the Art Institute of Lincoln in Lincolnshire. He worked for an architect in Lincolnshire before coming to the United States to see the 1893 World's Fair, lived in Chicago for a year, and settled in Fort Wayne in 1892.

paragraph_text: Pleasant Dale is a village in Seward County, Nebraska, United States. It is part of the Lincoln, Nebraska Metropolitan Statistical Area. The population was 205 at the 2010 census.

paragraph_text: The Spanish–American War Soldier's Monument, also known as the Spanish–American War Memorial or simply Soldiers Monument, is an outdoor sculpture and war memorial monument honoring the 2nd Oregon Volunteer Infantry Regiment of the Spanish–American War, created by American artist Douglas Tilden and located in Lownsdale Square, in the Plaza Blocks of downtown Portland, Oregon. It features a bronze statue on a marble pedestal and granite base. The monument is part of the City of Portland and Multnomah County Public Art Collection courtesy of the Regional Arts & Culture Council.

Question: When did the territory that the marble for the Lincoln memorial came from become part of the United States?
Answer: August 1, 1876