Complex sentence: Walter Kieber (born Feldkirch, Austria, 20 February 1931) was the Prime Minister of Liechtenstein from 1974 to 1978.
Split into simpler sentences: Walter Kieber (born Feldkirch, Austria, 20 February 1931) is a political figure from Liechtenstein. Kieber was the Prime Minister of Liechtenstein from 1974 to 1978.