1966 American Football League season
The 1966 AFL season was the seventh regular season of the American Football League. The league began its merger process with the National Football League (NFL) in June, which took effect fully in 1970.
The Chiefs lost to the Packers in the first AFL–NFL Championship Game (Super Bowl I)
1966 Kansas City Chiefs season
The 1966 Kansas City Chiefs season was the team's seventh season in the American Football League (AFL) and fourth in Kansas City. With an 11–2–1 regular season record, the Chiefs won the Western Division and defeated the Buffalo Bills 31–7 to win their second AFL Championship, their first in Kansas City.
The Chiefs and the Packers in the first AFL–NFL Championship Game (Super Bowl I)