Demon is a park original, opening in 1976 when the park was Marriott’s Great America. Originally named Turn of the Century, it was reintroduced as Demon in 1980.

About the ride Demon is a park original, opening in 1976 when the park was Marriott’s Great America. Originally named Turn of the Century, it was reintroduced as Demon in 1980.

The two Great Americas are essentially “sister” parks, both opening in 1976 as Marriott’s Great America. Great America in Gurnee was later purchased by Six Flags, while California’s Great ...

The CFO said the park has a very low profit margin. "California's Great America" opened in 1976 as "Marriott's Great America." The park's parent company, Cedar Fair, merged with Six Flags last year.