In the 2009 general election, the LDP was roundly defeated, winning only 118 seats—easily the worst defeat of a sitting government in modern Japanese history, and also the first real transfer of political power in the post-war era. Accepting responsibility for this severe defeat, Aso announced his resignation as LDP president on election night. Sadakazu Tanigaki was elected leader of the party on 28 September 2009, after a three-way race, becoming only the second LDP leader who was not simultaneously prime minister.