Indianapolis Colts Franchise History

4 NFL championship seasons: 1958, 1959, 1970, 2006
Last NFL championship: 2006, 11 seasons ago
 
Boston Yanks became New York Bulldogs in 1949
New York Bulldogs became New York Yanks in 1950
New York Yanks became Dallas Texans in 1952
Dallas Texans became Baltimore Colts in 1953
Baltimore Colts became Indianapolis Colts in 1984
 
Best finish (by location):
Bos Yanks finished 4-7-1 (.364) in NFL Eastern Division in 1947 season
NY Yanks finished 7-5 (.583) in NFL Western Conference in 1950 season
Dalls Texans finished 1-11 (.083) in NFL Western Conference in 1952 season
Bal Colts beat NY Giants for NFL Championship in 1958 season
Bal Colts beat NY Giants for NFL Championship in 1959 season
Bal Colts beat Dallas in Super Bowl in 1970 season
Indianapolis beat Chicago in Super Bowl in 2006 season