when was the last time the kansas city chiefs won a superbowl?
Super Bowl IV
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 The Kansas City Chiefs are a professional American football team based in Kansas City , Missouri . They compete in the National Football League ( NFL ) as a member club of the league 's American Football Conference ( AFC ) West division . The team was founded in 1960 as the Dallas Texans by businessman Lamar Hunt and was a charter member of the American Football League ( AFL ) . In 1963 , the team relocated to Kansas City and assumed their current name . The Chiefs joined the NFL in the 1970 AFL – NFL merger . The team is valued at just under $ 1 billion . 

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 In select games for the 2009 season , the Chiefs , as well as the other founding teams of the American Football League , wore " throwback " uniforms to celebrate the AFL 's 50th anniversary . 

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 As of 2016 , the Chiefs are the only NFL team based in Missouri , as a result of the St. Louis Rams ' relocation back to Los Angeles . 

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 The Chiefs became the first team since the 1929 Buffalo Bisons to not lead in regulation through any of their first nine games . The Chiefs tied their franchise worst record of 2 – 14 and clinched the No. 1 overall pick in the 2013 NFL Draft . It is the first time in franchise history they have held the first overall pick . 

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 From 1960 to 1969 , the Chiefs / Texans won 87 games , which is the most in the 10 year history of the AFL . 
