Complex sentence: In 1963 he was the first Canadian to be Chief of Staff of the United Nations Forces in the Republic of the Congo (Léopoldville) and was awarded the Commander of the Order of the British Empire for his service.
Split into simpler sentences: In 1963 he was the first Canadian to be Chief of Staff of the United Nations Forces in the Republic of the Congo (Léopoldville). He was awarded the Commander of the Order of the British Empire for his service.