Headquarters of the United Nations However, the UN did reject an unusual "model playground" proposal for that site, instead choosing to construct a play area similar to others found around New York City. The first 450 UN employees started working at the Secretariat Building on August 22, 1950. The United Nations officially moved into the Secretariat Building on January 8, 1951, by which time 3,300 employees occupied the building. At the time, much of the Secretariat Building was still unfinished, and the bulk of the UN's operations still remained at Lake Success. A centralized phone-communications system, was built to facilitate communications within the complex. The
United Nations Support Mission in Libya of September 2018. The headquarters of the mission is in Tunis (Tunisia). UNSCR 2009 (2011) said: Ian Martin was the Special Representative of the Secretary-General and Head of the UNSMIL from 11 September 2011 until 17 October 2012 when he was succeeded by Tarek Mitri. On 14 August 2014, Tarek Mitri was succeeded by Bernardino León. United Nations Support Mission in Libya The United Nations Support Mission in Libya (UNSMIL) is a United Nations advanced mission in Libya, in the aftermath of the Libyan Civil War. UNSMIL is not a military mission, but a political one led by the Department