In the 1977 season the Broncos attended Super Bowl XII and played the Dallas Cowboys, but lost by a score of 27-10.
Super Bowl XXII played January 31, 1988 - Redskins 42, Broncos 10.
The New York Giants won their first Super Bowl against the Denver Broncos on January 25, 1987.
The Atlanta Falcons have never won a Super Bowl. In their only Super Bowl appearance in 1999, they lost to the Denver Broncos, 34-19.
1998 vs. Atlanta.
The Denver Broncos have lost 4 Super Bowls. They lost in Super bowl XII in 1978, Super bowl XXI in 1987, Super bowl XXII in 1988, and Super bowl XXIV in 1990. The lost to the Dallas Cowboys, New York Giants, Washington Redskins, and San Francisco 49ers, respectively.
The Denver Broncos has the most super bowl losses in NFL history. Denverâ??s loss in Super Bowl XLVIII marked the fifth time the Broncos have lost the Super Bowl.
The Atlanta Falcons have never won a Super Bowl title. The only time they played for the National Football League championship, they lost to the Denver Broncos in Super Bowl XXXIII, 34-19.
3-1 the only loss was to the broncos in 1996.
The Atlanta Falcons have been there once, Super Bowl XXXIII on January 31, 1999, when they lost to the Denver Broncos. The score was Denver 34, Atlanta 19.
they won the 1997 and 1998 superbowl's so 98' was the last time
The last time the Seattle Seahawks played in the Super Bowl as of this writing was in January 2015, when they played against the New England Patriots and lost 28--24 in a nail-biting game.
Through 2012, the Denver Broncos have an all-time record of 384-313-7. Their postseason record is 17-15.