When was Millennium Force made?

Millennium Force opened on May 13, 2011 at Cedar Point.  Millenium Force is 310 ft tall with a 300 ft drop, 3 overbanked turns, 2 tunnels, and four hills, the lift hill is at a 45 degree angle, 80 degree drop, max speed 93mph, 6,595 feet.  Hill 1 - 310ft, Hill 2 - 182ft, Hill 3 - 169ft, Hill 4 - 100ft.  Millennium Force uses a cable lift which is faster, lighter, and can be used on steeper lift hills, even vertical lift hills.  Millennium Force cost a total of 25, 000,000 US dollars.

http://en.wikipedia.org/wiki/Millennium_Force


Millennium Force looking at 310 ft lift hill and 300 ft drop at 80 degrees