In 2011, the Steelers had a 12-4 record.
No. They were officially eliminated in week 17 even after winning against the Miami Dolphins. They needed the Jets, Broncos, and Ravens to lose to clinch a spot after beating Miami, but the Ravens won, forcing the Steelers out of the playoffs.
Super Bowl XLV The Pittsburgh Steelers loss To The Green Bay Packers 31-25
The Steelers finished 10-6 in the 2007 season.
The Dallas Cowboys.
As of the 2011 season, it was September 15, 2002 when they lost to the Oakland Raiders, 30-17.
The Steelers lost to the Dallas Cowboys in Super Bowl XXX.
There are a couple of scenarios. One is the Steelers need to win, the Texans lose and either the Ravens or Jets lose. The other is the Steelers win and the Ravens, Jets and Broncos all lose.
No, they did not.