Context_1 : Ritchey Knob is a summit located on the Blue Knob massif. This mountain is connected to Pine Knob and forms the northern most summits of the massif. Context_2 : Christ Lutheran Church is a congregation of the Lutheran Church–Missouri Synod located in the village of Highland, Wisconsin. The church was organized in 1895 and the congregation originally met in Pine Knob, a small country place five miles northeast of Highland. In 1937, the congregation purchased and began services in a Methodist church building located in the village of Highland. The building is the oldest standing church structure in Highland, erected in the late 1850s. Context_3 : Pine Knob is a hill located in Independence Township, in Oakland County, near Clarkston, Michigan. The hill is classified as a summit. Context_4 : The Escape Tour was a concert tour by the American rock band Journey. It was one of Journey's most successful concert tours, in support of their first number one album, "Escape". The tour included six consecutive sold out dates at the Pine Knob Theatre in Detroit, and four straight sold out shows at the Los Angeles Forum, and Chicago's Rosemont Horizon. Journey also made an appearance on July 2, 1982 at the Rose Bowl in Pasadena, California with Blue Öyster Cult, Triumph and Aldo Nova. The 8 ⁄ -month tour took Journey through Japan and North America. Point Blank, Billy Squier, the Greg Kihn Band and Loverboy were the opening acts during the tour. Context_5 : The Rocky Run shelters are located on the western slope of South Mountain just south of Boonsboro. The shelters are situated about .2 mi off the Appalachian Trail, and are connected to the main trail by a spur. Rocky Run is a 5 mi hike from the Crampton Gap Shelter (going south) and 7.5 mi from the Pine Knob shelter (going north). Context_6 : DTE Energy Music Theatre (originally Pine Knob Music Theatre) is a 15,274-seat (7,202 seats in the pavilion; 8,072 on the lawn) amphitheater located in Independence Township, Michigan, approximately 40 miles northwest of Detroit (it has a Clarkston, Michigan mailing address). Built by Nederlander Organization in the early 1970s, it was originally known as Pine Knob Music Theatre due to its proximity to the nearby Pine Knob ski area and golf course. The name was changed before the 2001 concert season when DTE Energy (the parent company of Detroit Edison) purchased the naming rights to the amphitheater in a ten-year, $10 million deal. Despite this change, many people still continue to call the venue "Pine Knob", "The Knob", or "The Hill". Palace Sports and Entertainment, which owns the Detroit Pistons, The Palace of Auburn Hills, and operates Meadow Brook Music Festival, purchased the amphitheater in 1990. Annually it ranks among the top-selling outdoor concert venues in the world and has won dozens of awards in the industry, including Pollstar's Best Major Outdoor Concert Venue (2000), Billboard's Top Amphitheater for attendance (2011) and Pollstar's Top Amphitheater Venue Worldwide for total tickets sold (2011). Context_7 : Utica is a town in Crawford County, Wisconsin, United States. The population was 674 at the 2000 census. The unincorporated communities of Fairview, Pine Knob, Rising Sun, and Towerville are located within the town. Context_8 : Pine Knob is a peak in the Allegheny Mountains of Pennsylvania. This mountain is a satellite peak of its larger neighbor Blue Knob. At 2704 ft above sea level it is the lesser in elevation when compared to Schaefer Head (2,950 ft), Round Knob (2,791 ft), Cattle Knob (2,842 ft) and Ritchey Knob (2,865 ft). The latter mountain is connected to Pine Knob, the saddle elevation between the peaks is 2597 ft Context_9 : Oakland County is a county in the U.S. state of Michigan, northwest of the Detroit metropolitan area. As of the 2010 census, its population was 1,202,362, making it the second-most populous county in Michigan, behind neighboring Wayne County. The county seat is Pontiac. The county was founded in 1819 and organized in 1820. Context_10 : Pine Knob is an unincorporated community in the town of Utica, Crawford County, Wisconsin, United States. fact_1 : Pine Knob is a hill located in Independence Township, in Oakland County, near Clarkston, Michigan. fact_2 :  The county was founded in 1819 and organized in 1820. Question: When was the county that Pine knob is located in founded?
Output: 1819