The casino is the first in the state of Pennsylvania to be granted the Category 3 license by the Pennsylvania Gaming Control Board. The Supreme Court of Pennsylvania ruled in favor of the Valley Forge Casino. Back in 2009, rival casino Parx opposed the casino and challenged them in court, claiming that they did not meet the resort license requirements.

On March 31, 2012, Valley Forge Casino Resort became the 11th casino to operate in Pennsylvania. In 2012, the complex was converted to the Valley Forge Casino Resort, and the Scanticon Valley Forge Hotel was converted to the Casino Tower wing of the resort, while the Radisson continued operating adjoining it. The western hotel tower was soon after converted to the Scanticon Valley Forge Hotel. In September 1999, the Sheraton Valley Forge was converted to the Radisson Valley Forge Hotel. In 1997, the Sheraton Plaza Hotel was merged back into the Sheraton Valley Forge Hotel. In 1992, the Radisson Hotel/Valley Forge was converted to a second Sheraton hotel within the complex, the Sheraton Plaza Hotel. In 1989, the newer western Sheraton hotel tower was converted to a separate hotel, the Radisson Hotel/Valley Forge. In 1985, Altemose constructed an enormous addition on the west side, which contained the Valley Forge Convention and Exhibition Center and a second hotel tower, which added 160 rooms to the Sheraton. The first structures in the complex were the circular tower of the Sheraton-Valley Forge Hotel, an adjoining twin-screen cinema, and the connected curved executive office tower directly to the east, which opened in September 1973.

This led to protests by local union members, during one of which, on June 5, 1972, the construction site was firebombed. The construction was highly controversial, because Altemose chose to use non-union workers. The casino complex originated as a mixed-use development called Valley Forge Plaza, constructed by developer J. It was constructed on the existing site of the Valley Forge Convention Center and opened on March 31, 2012. Valley Forge Casino Resort is a casino in King of Prussia, Pennsylvania.

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