Through the 2008 season:
1) Super Bowl VI - Cowboys 24, Miami Dolphins 3
2) Super Bowl XII - Cowboys 27, Denver Broncos 10
3) Super Bowl XXVII - Cowboys 52, Buffalo Bills 17
4) Super Bowl XXVIII - Cowboys 30, Buffalo Bills 13
5) Super Bowl XXX - Cowboys 27, Pittsburgh Steelers 17
So basically they made it to 8 superbowls and won 5/8 the three they lost:
SB V - Baltimore Colts 16, Cowboys 13
SB X - Pittsburgh Steelers 21, Cowboys 17
SB XIII - Pittsburgh Steelers 35, Cowboys 31
There have been 7 teams to win a Superbowl back to back and only the Pittsburgh Steelers have done that more than once. The Green Bay Packers 1967-68, Miami Dolphins 1973-74, Pittsburgh Steelers 1975-76 and 1979-80, San Fransisco 49ers 1989-90, Dallas Cowboys 1993-94, Denver Broncos 1998-99, and the New England Patriots 2004-05. Also the Pittsburgh Steelers have won the most Super Bowls with six championships (record 6-1), while both the Dallas Cowboys and San Francisco 49ers have five wins each (Cowboys 5-3; 49ers a perfect 5-0).
The Pittsburgh Steelers defeated the Dallas Cowboys 21-17 in Super Bowl X and 35-31 in Super Bowl XIII.
The Pittsburgh Steelers Super Bowl X - Steelers 21, Cowboys 17
Super Bowl XIII - Steelers 35, Cowboys 31
1979 loss to Steelers 35-31
1976 loss to Steelers 21-17
1971 loss to Colts 16-13
The Pittsburgh Steelers, in Super Bowls X and XIII.
The Cincinati Bengals
Pittsburg and the colts
The Dallas Cowboys lost twice to the Pittsburgh Stelers in the Super Bowl. Dallas lost Super Bowl X 21-17 and Super Bowl XIII 35-31.
The Dallas Cowboys have played the Buffalo Bills twice in a super-bowl, and won both times
The Steelers played twice at the Orange Bowl in Miami, Florida. They defeated the Dallas Cowboys in Super Bowl X and XIII.
On January 28, 1996, the Dallas Cowboys defeated the Pittsburgh Steelers 27 to 17 in Super Bowl XXX in Tempe, AZ. It also was the last Super Bowl appearance by the Cowboys.
Dallas loss to the Pittsburgh Steelers twice in the Super Bowl: Super Bowl IX and Super Bowl XIII.
The Dallas Cowboys have won five Super Bowl titles; the Raiders have three.
Quarterback Roger Staubach led the Dallas Cowboys to victory in Super Bowl VI and Super Bowl XII.
The Bills have lost 4 Super Bowls but to only 3 different teams: The Bills lost Super Bowl 25 to the New York Giants. The Bills lost Super Bowl 26 to the Washington Redskins. The Bills lost Super Bowl 27 to the Dallas Cowboys . The Bills lost Super Bowl 28 to the Dallas Cowboys.
In Super Bowl XXVII played January 31, 1993 the Cowboys defeated the Bills 52-17 and in Super Bowl XXVIII played January 30, 1994 the Cowboys defeated the Bills 30-13.
In Super Bowl XLIV, the Dallas Cowboys were penalized 133 yards.