Winter Challenge happened in 1991.
Winter Challenge was created in 1991.
Brain Challenge happened in 2007.
Aztec Challenge happened in 1982.
Quad Challenge happened in 1991.
Basketball Challenge happened in 1987.
Chip's Challenge happened in 1989.
UEFA Challenge happened in 2001.
AFL Challenge happened in 2009.
NFL Challenge happened in 1985.
Rugby Challenge happened in 360.
Lotus Challenge happened in 2001.
GP Challenge happened in 2002.