No. All final four teams have been from different conferences, but not all 4.
Yes, there have been instances in the NFL where two wild card teams have met in the conference finals. Notably, in the 2005 season, both the Pittsburgh Steelers and the Seattle Seahawks entered the playoffs as wild card teams and advanced to their respective conference championships. Similarly, in the 2010 season, the Green Bay Packers and the New York Jets, both wild card teams, reached the conference finals.
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 they haven't ever
No
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.
no
yes green bay vs Chicago last year
No
No they have Played sec schools but have not been in the sec
no president had ever represented the United States at a peace conference
The final match was played between Uruguay and Argentina. Uruguay won.