The Oakland Raider have won three NFL championships (1977, 1980 and 1984) and two additional AFL (1967)/AFC (2002) championships.
As of the 2008 season, that would be the Cowboys. The Cowboys have won 8 NFC championships and 5 Super Bowls. The Raiders have won 1 AFL championship, 4 AFC championships, and 3 Super Bowls.
Three Super Bowl wins (no "questionable call" help from the refs). One AFL Championship 1967.
The Raiders were a charter member of the AFL, beginning play in 1960.
The Oakland Raiders/Los Angeles Raiders have won 3 Super Bowls.
the Raiders joined the AFL in 1960
The Chiefs have won 4 Championships between the AFL and their Superbowl
5 AFC Championships 1967, 1976, 1980, 1983, 2002
the raiders have won 3 superbowl championships
It is Al Davis, the owner of the Raiders who became known as Mr. AFL.
The Oakland Raiders joined the NFL in 1970, the year of the AFL-NFL merger. The Raiders were founded in 1960.