 The Rann Government was elected to a third four-year term at the 2010 election, retaining majority government despite a swing − giving Labor a record 12 years in government.He resigned as Premier in October 2011 after a year of poor opinion polling saw him lose party support and was succeeded by Jay Weatherill.Rann is the third-longest serving Premier of South Australia behind Thomas Playford IV and John Bannon − the third-longest serving Leader of the Opposition from 1994 to 2002 behind Mick O'Halloran and Robert Richards − and served a record 17 years as South Australian Labor parliamentary leader from 1994 to 2011.