Millennium Force design and development phases of Millennium Force took place over five years. The first rumors that a new record-breaking roller coaster would be built at Cedar Point, which included speculation about a ten inversion roller coaster from Bolliger & Mabillard and an Arrow Dynamics MegaLooper, began circulating in early 1998. A roller coaster from D. H. Morgan Manufacturing was also rumored. On July 2, 1999, Cedar Fair Entertainment Company filed a trademark for the name Millennium Force, which raised more speculation about what the ride would be like. About a week later, the first track pieces were seen at the
Millennium Force is no minimum age requirement, but guests must be between tall to ride. Persons over a certain weight or waist size are not allowed to ride if the seat and lap bar harness cannot accommodate them. Passengers on Millennium Force may not take loose articles onto the train and are required to wear shirts and footwear. Headphones must be removed before boarding. Guests are advised not to ride Millennium Force if they have recently had surgery, heart trouble, high blood pressure, neck or back trouble, or any medical condition that may be aggravated by riding, or are pregnant. Millennium Force