Complex sentence: Kurt Georg Kiesinger (6 April 1904--9 March 1988) was a German politician affiliated with the CDU and Chancellor of West Germany from 1 December 1966 until 21 October 1969.
Split into simpler sentences: Kurt Georg Kiesinger (6 April 1904--9 March 1988) was a German politician affiliated with the Christian Democratic Union (CDU). He was Chancellor of West Germany from 1 December 1966 until 21 October 1969.