No. All final four teams have been from different conferences, but not all 4.
In 2012, the Big East received bids for 11 of its schools-- the most ever for any conference. The only one of the 11 that made it to the Final Four was Louisville, a #4 seed.
No. Both teams are in the same conference. They have played three times in conference playoff games.
No, as it is not possible for teams of the same conference (and currently of the same division) to ever meet in the finals round.
The only wild card team to ever win the superbowl is the Pittsburgh Steelers
yes green bay vs Chicago last year
The team that won the UEFA Champions League in 1992 was FC Barcelona.
The final match was played between Uruguay and Argentina. Uruguay won.
It was Holland verses Germany in 1974 and 1978.
no president had ever represented the United States at a peace conference
This occurred in 2002, when the Anaheim Angels met the SF Giants.
Both Arizona State University and the University of Arizona played in the Western Athletic Conference from 1962, the WAC's first season, to 1978. Both schools left at the same time to join the PAC-8, which then became known as the PAC-10.