Kurt Waldheim, U Thant, Trygvie Lie and Boutros Boutros Ghali have all held which post?
UNSG Secretary General of the UN Un secretary general U.N. Secretary General Secretary General of the United Nations UN Secretary general U.N. General Secretary U.N. Secretary-General United Nations secretary general List of Secretaries-General of the United Nations United Nations Secretary-General Secretaries-General Secretary-General of United Nations UN Secretary General UN SecGen UNSYG UN secretary general UN General Secretary Secretary-general of the United Nations U.N. secretary-general United Nations Secretary General Secretary-General of the UN Secretary general of the un UN Secretary-General Secretary-General of the United Nations Secretary general of the united nations Secretary general un General Secretary of the United Nations
un secretary general secretary general of united nations unsg list of secretaries general of united nations u n general secretary secretaries general united nations secretary general secretary general of un u n secretary general secretary general un un secgen un general secretary general secretary of united nations unsyg
secretary general of united nations
WikipediaEntity
Secretary General of the United Nations