nobody
Spain
Detroit
there were no divisions
That was Elgie Tobin who led the 1920 Akron Pros to the first NFL championship.
1947
Cleveland Browns last won the NFL Championship in 1964
NFL, not in 2011! haha! sorry
Eight.
Minnesota Vikings, 1969.
The Dallas Cowboys won the NFL Super Bowl Championship in 1994
Statistically, there is a 1 in 32 chance any NFL team can win the championship. The comparisons of team strength during the season results in "odds" that are updated by bettors in locations such as Las Vegas.