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Name | Country | Tenure |
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Trygve Lie Dog Hammarskjöld U. Thant Kurt Waldeim Javier Perez de Cuellar Dr. Boutros Ghali Kofi Annan |
Norway Sweden Myanmar Australia Peru Egypt Ghana |
1946-53 1953-61 1961-71 1972-81 1982-91 1992-96 1997-till date |