That was the worst defeat since the beginning of the BCS. So the answer is technically correct. However, there have been worse defeats in bowl games that have determined the champion. In 1995, Nebraska beat Florida 62-24 in the Fiesta bowl. The winner of the game was destined to be the NCAA champion, so in a sense it was a championship game.
College Football's National Championship happened in 1994.
College Football's National Championship was created on 1994-05-06.
The first football season started in 1887.
BCS National Championship
college football?. Don't you mean American college football,or the real thing?
According to the College Football Data Warehouse, the University of Wisconsin Badgers football team has not yet won a national championship.