The team was founded in 1960 as the Dallas Texans.

On November 5, 2000, Elvis Grbac completed 39 of 53 passes for 504 yards, two touchdowns and two interceptions but was outdueled by his former backup Rich Gannon as the Chiefs fell to Gannon's Raiders, 49-31.

The Chiefs 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.

born in Enugu, Nigeria, Okoye was known for his powerful running style and ability to break tackles.

Thomas set a single game record, sacking Seattle's Dave Krieg 7 times on Veterans Day, 1990.

Len Dawson became the fourth consecutive winning quarterback to be named Super Bowl MVP. He completed 12 of 17 passes for 142 yards and one touchdown, with one interception.

Former Texas Tech star Patrick Mahomes brought a Lone Star staple to his new home when he joined with KMO Burger to open the first-ever Whataburger franchise in the state of Kansas. "Obviously, being from Texas, you have a lot of Texas pride. And Whataburger is kind of at the forefront of that," Mahomes told NBC Sports. "I've always ate Whataburger since I was a little kid. And then when I got older, I'd babysit my brother, and there was a Whataburger literally down the street. And we would always grab that and kind of have that while my mom was working."

The Chiefs retired Dawson's number: 16.

In 2018, Patrick Mahomes joined Peyton Manning as the only players in NFL history to throw for more than 5,000 yards and 50 passing touchdowns in the same season.

In 2003, Priest Holmes broke Marshall Faulk's NFL record for total touchdowns in a season with 27, which was subsequently broken by Shaun Alexander with 28 in 2005 and broken again by LaDainian Tomlinson with 31 in 2006. Holmes and Emmitt Smith are the only two running backs in NFL history to have back to back seasons with 20 or more rushing touchdowns.