 The Athletics have won nine World Series titles, and are the only team apart from the New York Yankees to complete a World Series “three-peat”, which they did between 1972 and 1974.As the Philadelphia Athletics, the team had a golden period between 1909 and 1914, when they won three World Series, and had three consecutive 100-win seasons between 1929 and 1931 with two further titles.In the period from 1988 to 1990 the Athletics - now based in Oakland - played in three further World Series and won one, while from 1999 to 2006 they had winning records every season but never played in another World Series.