Date: 12/31/67 Teams: Green Bay Packers 21 - Dallas Cowboys 17 Location: Lambeau Field There are few rivalries in football that stand up to that of the Packers and Cowboys. The most iconic matchup between these two powerhouses came at the 1967 NFL championship game. The Packers, coached by Vince Lombardi, narrowly edged out the Cowboys 21 to 17. This game is still the coldest game ever played in NFL history. Temperatures reached -15 Fahrenheit with a wind chill reaching -48 Fahrenheit.