In addition, the Raiders are proud to contribute to youth initiatives, community development, environmental concerns and multicultural awareness and global outreach. With their appearance in Super Bowl XXXVII, the Raiders became the only NFL team to play in Super Bowls in four different decades. 500 or better and played in 41 postseason games. Over six memorable decades the Raiders have won an American Football League Championship, four American Football Conference Championships, three World Championships of Professional Football, participated in five Super Bowls, played in 14 Championship games, won or tied for 17 Division Championships, had 22 playoff seasons, finished 36 seasons at. The Raiders - who began play in the American Football League in 1960 - are in their 60th year of professional football competition, including the last 50 as a member of the National Football League.