Yes. They won Super Bowl 3
Jets.
nobody
As of right now, there is no reason why the Jets should win a championship. Going into the 2013 season, they definitely have some work to do.
Spain
Weeb Eubank won NFL championships with the Baltimore Colts in 1958 and 1959 and an AFL championship with the New York Jets in 1968. Ironically, the Jets played the Colts in Super Bowl III and Eubank became the only coach to win an NFL championship (pre Super Bowl), an AFL championship, and a Super Bowl.
Spain
Detroit
No. They lost in Superbowls XVI and XXIII, both times to San Francisco.
The New York Jets last and only championship win was on January 12, 1969 (Superbowl III) against the Baltimore colts which they won 16-7.
there were no divisions
That was Elgie Tobin who led the 1920 Akron Pros to the first NFL championship.
1947