Complex sentence: Lothar de Maizière (born 2 March 1940) is a German conservative politician who served as the only democratically elected Prime Minister of the German Democratic Republic in 1990, and as such was the last leader of an independent East Germany.
Split into simpler sentences: Lothar de Maizière (born 2 March 1940) is a German conservative politician. In 1990, he served as the only democratically elected Prime Minister of the German Democratic Republic, and as such was the last leader of an independent East Germany.