When is the brewing company which David G. Yuengling founded established  
James River Steam Brewery Cellars:  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. Yuengling: D. G. Yuengling & Son is the oldest operating brewing company in the United States, established in 1829.
1829