What teams won the World Series but no longer exist?

Answer 1

All the teams that won the World Series still exist though many play in different cities now.

1) New York Giants - won the WS in 1905, 1920, 1921, 1933, 1954. The Giants moved to San Francisco for the 1958 season.
2) Philadelphia Athletics - won the WS in 1910, 1911, 1913, 1929, 1930. The Athletics moved to Kansas City for the 1955 season and then to Oakland for the 1967 season.
3) Boston/Milwaukee Braves - won the WS in 1914 (Boston) and 1957 (Milwaukee). The Braves moved to Milwaukee for the 1953 season and to Atlanta for the 1966 season.
4) Washington Senators - won the WS in 1924. The Senators moved to Minnesota and became the Twins for the 1961 season.
5) Brooklyn Dodgers - won the WS in 1955. The Dodgers moved to Los Angeles for the 1958 season.