Complex sentence: He represented West Germany as president of the UN Security Council in 1977 and 1978 and was later the West German Ambassador in Italy (1981-1983) and in the United Kingdom (1983-1988).
Split into simpler sentences: He represented West Germany as president of the UN Security Council in 1977 and 1978. He was later the West German Ambassador in Italy (1981-1983) and in the United Kingdom (1983-1988).