First General Assembly
Gladwyn Jebb (on the right) attending the first session of the United Nations General Assembly in London on the 10th of January 1946. Jebb was the Acting Secretary-General from October 1945 to the appointment of Trygve Lie in 1946. Photo by Marcel Bolomey / UN Photo
Trygve Lie, first UN Secretary-General
Lie served as the Secretary-General from 1946 until his resignation from his second term in 1952. Photo by UN Photo
Dag Hammarskjöld
Hammarskjöld (in the middle right) served as the Secretary-General from 1953 until his death in a plane crash in 1961.
Photo by SAS Scandinavian Airlines
U Thant at Schiphol in 1963
U Thant was appointed as the Acting Secretary General in 1961 after Hammarskjöld´s death. In 1962 he was elected as the permanent Secretary-General serving until 1971. Photo by Nijs Jack de. / Anefo / Nationaal Archief
The Security Council
Kurt Waldheim attending meetings of the Security Council in Panama City in 1973. Waldheim served as the Secretary-General from 1972 to 1981. Photo by Yutaka Nagata / UN Photo
Javier Perez de Cuellar arriving at Schiphol in 1982
Perez de Cuellar served as the Secretary-General from 1982 to 1991. Photo by Bogaerts Rob / Anefo / Nationaal Archief
Boutros Boutros-Ghali
Boutros-Ghali holding a live video conference at UN Headquarters in 1995. He served as the Secretary-General from 1992 to 1996. Photo by Milton Grant / UN Photo
WSIS Forum 2013
Kofi Annan preparing for an interview at ITU TV Studio in 2013. He served as the Secretary-General from 1997 to 2006. Photo by Claudio Montesano Casillas / ITU
United Nations Secretary-General, Ban Ki-moon boarding flight to Goma
Ki-moon in Kinshasa in 2013. Ki-moon served as the Secretary-General from 2007 to 2016. Photo by Dominic Chavez / World Bank
40th Anniversary of the Vienna International Centre (VIC)
António Guterres, appointed as the Secretary-General in 2017, at the 40th anniversary of the VIC in 2019. Photo by Dean Calma / IAEA