This city is the largest contiguous cotton-growing region in the world. In 1867, the land that would become Lubbock was the heart of Comancheria, the shifting domain controlled by the Comanche. Lubbock County was founded in 1876. It was named after Thomas Saltus Lubbock, former Texas Ranger and brother of Francis Lubbock, governor of Texas during the Civil War. In 1884, a U.S. post office existed in Yellow House Canyon. Home of an eight-million-acre region that produces 80% of the state's wine grapes. Five wineries, including the most award-winning in Texas (LLano Estacado Winery), are based near Lubbock, excellent for wine lovers. The National Ranching Heritage Center, a museum of ranching history, is in Lubbock has a number of authentic early Texas ranch buildings, as well as a railroad depot and other historic buildings. Includes an extensive collection of weapons is also on display. The American Cowboy Culture Association, founded in 1989, is in Lubbock; it co-hosts the annual National Cowboy Symposium and Celebration held annually from Thursday through Sunday after Labor Day.