Rolling Rock beer is brewed by the Latrobe Brewing Company in Latrobe Pennsylvania, about an hour east of Pittsburgh. The brewery was established in 1893 when the only other brewery in town was run by Benedictine monks at St Vincent's Abbey.
The brewery at St. Vincent's closed in 1898 after 42 years but the Latrobe Brewing Company stills survives to this day.
In 1985 the company was sold to the Sundor Group of Darien Connecticut, which sold the company to Labatt's USA which currently runs the brewery.
Rolling Rock beer takes its name from the nearby Rolling Rock Estate, a horse ranch.
Annual Production: 1,000,000 barrels
An intriguing detail about Rolling Rock is the presence of the mysterious '33' Symbol that appears on the back of the bottle.
The company doesn't remember why it was put there in the first place because hte product was introduced in 1939. Here are some popular answers to the riddle.