This article details the history of the Dallas Cowboys American Football Club. The team joined the National Football League as a 1960 expansion team, and has become one of the most successful teams in the history of the NFL and in American sports overall. The team has earned the longest streak of consecutive winning seasons with 20, the most playoff games, 56, winning 33 of them, the most appearances in the NFC Championship Game (14), and the most Super Bowl appearances (8), one more than any other NFL team. The Cowboys became the first team in NFL history to win 3 Super Bowls in just 4 years. They are also tied with the San Francisco 49ers for having the second most Super Bowl wins (5), only behind the Pittsburgh Steelers with 6 wins. The Cowboys are tied for fifth in most NFL championshi