paragraph_text: Eagle Twin is an American metal band formed in Salt Lake City, Utah by singer/guitarist Gentry Densley and drummer Tyler Smith. Eagle Twin's music could be broadly classified as doom metal or sludge metal, but also touches on progressive rock, blues rock, jazz fusion and psychedelic rock, featuring lengthy instrumental passages and Densley's gruff, half-chanted vocals, which occasionally veer into overtone singing.

paragraph_text: The Mormon pioneers organized a new state called Deseret and petitioned for its recognition in 1849. The United States Congress rebuffed the settlers in 1850 and established the Utah Territory, vastly reducing its size, and designated Fillmore as its capital city. Great Salt Lake City replaced Fillmore as the territorial capital in 1858, and the name was later abbreviated to Salt Lake City. The city's population continued to swell with an influx of Mormon converts and Gold Rush gold seekers, making it one of the most populous cities in the American Old West.

paragraph_text: The Utah Symphony is an American orchestra based in Salt Lake City, Utah. The orchestra's principal venue is Abravanel Hall. In addition to its Salt Lake City subscription concerts, the orchestra travels around the Intermountain West serving communities throughout Utah. The orchestra accompanies the Utah Opera in four productions per year at Salt Lake's Capitol Theatre. In addition, the Utah Symphony and Utah Opera have a summer residency at the Deer Valley Music Festival, located in Park City, Utah. The orchestra receives funding from the Utah State Legislature for educational concerts.

paragraph_text: KZLB (92.1 FM, "The Eagle") is a radio station that broadcasts out of Fort Dodge, Iowa airing a classic rock format. The station is owned by Alpha Media, through licensee Alpha 3E Licensee LLC.

paragraph_text: Fremont Indian State Park and Museum is a state park of Utah, US, which interprets archaeological remains of the Fremont culture. The park is located in Sevier County, Utah in the Clear Creek Canyon.

paragraph_text: KZND-FM (94.7 FM, "94/7 Alternative Anchorage”) is a commercial radio station located in Houston, Alaska, broadcasting to the Anchorage, Alaska, area. KZND airs an Alternative rock format. It is locally owned by Last Frontier Mediactive. Its studios are located on Business Park Boulevard in Anchorage, and its transmitter is located in Eagle River, Alaska.

paragraph_text: The Utah Eagles were a basketball team in the Continental Basketball Association. They played their games in Taylorsville, Utah, and although they started play in the 2006-2007 season, they folded in mid-season.

paragraph_text: Dean Martin Miraldi (born April 8, 1958 in Culver City, California) is a former American football guard in the National Football League for the Philadelphia Eagles, Denver Broncos, and the Los Angeles Raiders. He played college football at the University of Utah and was drafted by the Eagles in the second round of the 1981 NFL Draft.

paragraph_text: Ronnie Lee Gardner (January 16, 1961 -- June 18, 2010) was an American criminal who received the death penalty for murder in 1985, and was executed by a firing squad by the state of Utah in 2010. Gardner's case spent nearly 25 years in the court system, prompting the Utah House of Representatives to introduce legislation to limit the number of appeals in capital cases.

paragraph_text: "Tryin' to Get to You" is a song written by R&B singer songwriters Rose Marie McCoy and Charles Singleton It was originally recorded by the Washington DC vocal group The Eagles in 1954 and released in mid-1954 on Mercury Records 70391. Advertising in "Billboard" magazine indicates that the format of the title on The Eagles’ record was “Tryin’ to Get to You”, with an apostrophe.

paragraph_text: LeGore Lake is a tarn located in the Eagle Cap Wilderness of northeastern Oregon, United States. It is the highest true lake in Oregon at elevation. It is positioned near Twin Peaks and is accessed by a 4-mile hiking trail that ascends 4,000 feet and passes the LeGore mine, the lake's namesake.

paragraph_text: WWJD (91.7 FM, "Eagle 91.7") is a radio station licensed to serve Pippa Passes, Kentucky. The station is owned by Alice Lloyd College. It broadcasts in a Contemporary Christian music format.

paragraph_text: the Boston beam trawler MS Wave, which briefly became the auxiliary minesweeper USS Eagle (AM-132) before becoming USS Captor (PYc-40),

paragraph_text: Eagle Mountain is a city in Utah County, Utah, United States. It is part of the Provo–Orem, Utah Metropolitan Statistical Area. The city is located to the west as well as north of the Lake Mountains, which are west of Utah Lake. It was incorporated December 3, 1996 and has been rapidly growing ever since. The population was 21,415 at the 2010 census. Although Eagle Mountain was a town in 2000, it has since been classified as a fourth-class city by state law. In its short history, the city has quickly become known for its rapid growth.

paragraph_text: KDWB-FM (101.3 FM) is an American commercial radio station broadcasting in the Twin Cities region of Minnesota, licensed to suburban Richfield. KDWB's radio format is Top 40/CHR. Its transmitter is located in Shoreview, while its studios are in St. Louis Park. The station is owned by iHeartMedia.

paragraph_text: KEGL (97.1 FM, "The Eagle") is a radio station licensed to Fort Worth, Texas, United States. The station broadcasts an alternative-leaning Mainstream Rock music format to the Dallas/Fort Worth Metroplex. KEGL is owned and operated by iHeartMedia. The station's studios are located along Dallas Parkway in Farmers Branch (although it has a Dallas address), and the transmitter site is in Cedar Hill.

paragraph_text: Spring Lake is a census-designated place (CDP) in southern Utah County, Utah, United States. It is part of the Provo–Orem Metropolitan Statistical Area. The population was 458 at the 2010 census. It is an unincorporated part of Utah County, located just south of Payson and north of Santaquin.

paragraph_text: The Hot 100 and Easy Listening charts became more similar again toward the end of the 1960s and into the early and mid-1970s, when the texture of much of the music played on Top 40 radio once more began to soften. The adult contemporary format began evolving into the sound that later defined it, with rock-oriented acts as Chicago, The Eagles, and Elton John becoming associated with the format.

paragraph_text: The Congress organized the Utah Territory out of the ``State of Deseret ''in 1850, and a few months later on January 6, 1851 the city was formally organized as`` The City of the Great Salt Lake''. Originally, Fillmore, Utah was the territorial capital, but in 1856 it was moved to Salt Lake City, where it has stayed ever since. The city's name was officially changed to ``Salt Lake City ''at the same time.

paragraph_text: Mountain Ranch Bike Park, located in Eagle Mountain, Utah, United States, is a city park designed for mountain bikers of all skill levels. The park features dirt jumps, a pump track, two slope style trails, a skills area and a single track trail with wood features.

Question: When did the city where Eagle Twin was formed become the capitol of Utah?
Answer: 1858