Twice. In 1997 and 1998. They also shared the title in 2004.
They have not
Never
Sweden has never won the UEFA European Football Championship, no.
No
Technically yes in 1964
According to the College Football Data Warehouse, the University of Wisconsin Badgers football team has not yet won a national championship.
yes, the just go into overtime
The Maine Bears have never won a National Championship in football.
Yes twice
Yes, 11 times.
Yes, in 1945 and 1967.
Yes, they played in the 2006 BCS National Championship