Oakland As Franchise History

9 World Series championship seasons: 1910, 1911, 1913, 1929, 1930, 1972, 1973, 1974, 1989
Last World Series championship: 1989, 28 seasons ago
 
Philadelphia As became Kansas City As in 1955
Kansas City As became Oakland As in 1968
 
Best finish (by location):
Philadelphia As beat Chi Cubs in World Series in 1910 season
Philadelphia As beat NY Giants in World Series in 1911 season
Philadelphia As beat NY Giants in World Series in 1913 season
Philadelphia As beat Chi Cubs in World Series in 1929 season
Philadelphia As beat St Louis in World Series in 1930 season
Kansas City As finished 73-81 (.474) in American League in 1958 season
Oakland beat Cincinnati in World Series in 1972 season
Oakland beat NY Mets in World Series in 1973 season
Oakland beat Los Angeles in World Series in 1974 season
Oakland beat San Francisco in World Series in 1989 season