The Chicago Bears experienced their greatest modern success in the 1980s, highlighted by the legendary 1985 season where they went 15-1 and won Super Bowl XX. Led by head coach Mike Ditka and defensive coordinator Buddy Ryan, the team featured an iconic defense and colorful personalities like Walter Payton, Jim McMahon, and William "The Refrigerator" Perry. Throughout the decade, the Bears remained a dominant force in the NFL, securing six division titles and making six postseason appearances.