<P> The Chiefs have won three AFL championships , in 1962 , 1966 , and 1969 and became the second AFL team ( after the New York Jets ) to defeat an NFL team in an AFL -- NFL World Championship Game , when they defeated the Minnesota Vikings in Super Bowl IV . The team 's victory on January 11 , 1970 , remains the club 's last championship game victory and appearance to date , and occurred in the final such competition prior to the leagues ' merger coming into full effect . The Chiefs were also the second team , after the Green Bay Packers , to appear in more than one Super Bowl ( and the first AFL team to do so ) and the first to appear in the championship game in two different decades . </P>
<P> The Chiefs have won three AFL championships , in 1962 , 1966 , and 1969 and became the second AFL team ( after the New York Jets ) to defeat an NFL team in an AFL -- NFL World Championship Game , when they defeated the Minnesota Vikings in Super Bowl IV . The team 's victory on January 11 , 1970 , remains the club 's last championship game victory and appearance to date , and occurred in the final such competition prior to the leagues ' merger coming into full effect . The Chiefs were also the second team , after the Green Bay Packers , to appear in more than one Super Bowl ( and the first AFL team to do so ) and the first to appear in the championship game in two different decades . </P>
when was the last time the chiefs went to the super bowl
when was the last time the chiefs went to the super bowl
January 11 , 1970
January 11 , 1970