Horst Köhler (German: [ˈhɔɐ̯st ˈkøːlɐ]; born 22 February 1943) is a German politician of the Christian Democratic Union. He was President of Germany from 2004 to 2010. As the candidate of the two Christian Democratic sister parties, the CDU and the CSU, and the liberal FDP, Köhler was elected to his first five-year term by the Federal Assembly on 23 May 2004 and was subsequently inaugurated on 1 July 2004. He was reelected to a second term on 23 May 2009.