The "Red River Rivalry" is a college football matchup between the University of Texas Longhorns and the University of Oklahoma Sooners. This annual game takes place at the Cotton Bowl in Dallas, Texas, during the State Fair of Texas. The rivalry began in 1900 and has become one of the most storied and intense rivalries in college sports. The name "Red River" refers to the river that forms part of the border between Texas and Oklahoma. The game is known for its passionate fan base, competitive spirit, and significant implications for conference standings, particularly in the Big 12 Conference.