Question: When is the brewing company which David G. Yuengling founded established  
Context: The Bear Republic Brewing Company is an American microbrewery located in Cloverdale, California, USA.  It was established by the Norgrove family in 1995, with Richard G. Norgrove as brewmaster.  The name is said to refer to California's 1846 Bear Flag Revolt.  In 2006, Bear was named Small Brewing Company and Small Brewing Company Brewer of the Year at the Great American Beer Festival. Gunther Brewing Company is a historic brewery building located at Baltimore, Maryland, United States.  The site comprises 15 masonry buildings.  The main structure is a five-story brick "L"-shaped Romanesque Revival-style brew house with a two-story brick ice plant built about 1910 and one- and two-story boiler room.  Additional brew houses built in 1936 and 1950 are also on the property.  The Tulkoff Factory and Warehouse was built about 1964.  It was home to the George Gunther, Jr.  Brewing Company, founded in 1900.  By 1959 it was the second largest brewery in Baltimore, when it produced 800,000 barrels per year and employed approximately 600 people.  Hamm's Brewing Company bought the Gunther Brewing Company in 1960.  Later acquired by the F. & M. Schaefer Brewing Company in 1963, the plant was closed in 1978.  The Tulkoff company briefly used the factory for their sauce products at the conclusion of all brewing operations. Shipyard Brewing Company is a brewery and soft drink manufacturer in Portland, Maine, USA, and founded in 1994.  Shipyard is the largest brewer in Maine (owning the Shipyard, Sea Dog Brewing Company, and Casco Bay Brewing Company banners, and bottling under contract with Gritty McDuff's Brewing Company).  Shipyard is the fourth largest microbrewery in New England after Boston Beer Company, Harpoon Brewery, and Magic Hat Brewing Company. The James River Steam Brewery Cellars are an historic series of brewery-related tunnels near the Rocketts Landing development on the James River in Henrico County, Virginia.  The stone-lined barrel-vaulted tunnels were built c. 1866, and are the only surviving remains of the James River Steam Brewery, which operated on the site between 1866 and 1879.  The brewery was owned by David G. Yuengling, Jr., son of David Yuengling, the founder of the Yuengling brewery in Pennsylvania, and two business partners.  At its height, the brewery complex included a beer garden and park that remained popular even after the brewery closed in 1879.  Most of the brewery's buildings were destroyed by fire in 1891.  The walls of the surviving tunnels are lined with dressed ashlar granite.  The west walls, which have the tunnel openings, are overgrown; only small portions of the north and south walls are visible above ground. This is a partial list of breweries in Pennsylvania.  In 2017 there are 300 licensed craft breweries in Pennsylvania.  Only the notable ones are listed here.  One of these breweries is America's longest established, D.G. Yuengling & Son.  Yuengling is also the largest craft brewery in the country based on volume of sales .  Other nationally known brands that are made in Pennsylvania include Victory Brewing Company's Hop Devil and Weyerbacher's Merry Monks.  Some of these breweries also feature a restaurant or snack bar at their breweries.  Brewpubs in Pennsylvania do not distribute their products beyond the premises. The August Schell Brewing Company is a brewing company in New Ulm, Minnesota.  It was founded by German immigrant August Schell in 1860.  It is the second oldest family-owned brewery in America (after D. G. Yuengling & Son) and became the oldest and largest brewery in Minnesota when the company bought the Grain Belt rights in 2002.  In September 2010, it celebrated its 150th Anniversary with a two-day festival.  Every year Schell's also celebrates traditional German holidays with Bock Fest and Oktoberfest. Beer Wars is a 2009 documentary film about the American beer industry.  In particular, it covers the differences between large corporate breweries, namely Anheuser-Busch, the Miller Brewing Company, and the Coors Brewing Company opposed to smaller breweries like Dogfish Head Brewery, Moonshot 69, Yuengling, Stone Brewing Co., and other producers of craft beer.  Also covered is how advertising and lobbyists are used to control the beer market, implying that these things harm competition and consumer choice. Hawaiʻ i Nui Brewing Company is a brewery in Hilo on the Island of Hawaii, Hawaii, United States.  It was established in 2007 By Keith Kinsey, Andrew Baker and Nina Lytton.  Hawai'i Nui Brewing acquired Keoki Brewing Company in May 2007.  In January 2009, Hawaii Nui Brewing acquired Mehana Brewing Company and consolidated operations to Hilo, Hawai'i, It sells Hawaiʻ i Nui, Keoki and Mehana labels of beers. The Pabst Brewing Company ( ) is an American company that dates its origins to a brewing company founded in 1844 by Jacob Best and was, by 1889, named after Frederick Pabst.  It is currently the holding company contracting for the brewing of over two dozen brands of beer and malt liquor from now defunct companies including Pabst Blue Ribbon, P. Ballantine and Sons Brewing Company, G. Heileman Brewing Company, Lone Star Brewing Company, Pearl Brewing Company, Piels Bros., Valentin Blatz Brewing Company, National Brewing Company, Olympia Brewing Company, Falstaff Brewing Corporation, Primo Brewing & Malting Company, Rainier Brewing Company, F & M Schaefer Brewing Company, Joseph Schlitz Brewing Company, Jacob Schmidt Brewing Company and Stroh Brewery Company. D. G. Yuengling & Son is the oldest operating brewing company in the United States, established in 1829.  It is one of the largest breweries by volume in the country.  Based on volume sold in 2016, Yuengling was the top craft beer company in the U.S. Based on sales in 2011, Yuengling was tied with the Boston Beer Company, maker of Samuel Adams brands, as the largest American-owned brewery.  Its headquarters are in Pottsville, Pennsylvania.  Yuengling produces about 2.8 million barrels annually, operating two Pennsylvania facilities and a brewery in Tampa, Florida.
Answer: 1829