Here are a few of the most infamous Dallas Cowboys vs. Washington Redskins games in NFL history:
1. **Thanksgiving Day Massacre, 1974**: In this game, the Redskins took on the Cowboys at Texas Stadium. Down 16-3, and with Roger Staubach injured, backup quarterback Clint Longley came in and threw a late-game touchdown, giving Dallas the win.
2. **1972 NFC Championship Game**: The Redskins, led by coach George Allen and quarterback Billy Kilmer, beat the Cowboys, who were favored to win, 26-3 on their home turf. The Redskins went on to Super Bowl VII following this victory.
3. **1982 NFC Championship Game**: Known as the "Monk's Catch" game. Art Monk made a crucial catch to help the Redskins beat the Cowboys 31-17 and advanced to Super Bowl XVII, which they ended up winning.
4. **1991 Regular-Season Game**: This is considered by many to be one of the greatest Redskins victories over the Cowboys. The Redskins won the game 33-31, despite the Cowboys' comeback attempt in the fourth quarter.
5. **1999 Regular-Season Game**: This game is infamous for the time the Cowboys blew a 35-14 lead with less than four minutes left in the game. The Redskins managed to tie the game and then win with a field goal in overtime.
These games have been pivotal and memorable, signifying the intense rivalry that exists between the Dallas Cowboys and the Washington Redskins. They are a reflection of the high competitive spirit that extends for decades in the NFL.