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 Avenue United Nations Avenue United Nations Avenue (also known by its abbreviation, U.N. Avenue) is a major thoroughfare in Manila, Philippines. A commercial, residential and industrial artery, the avenue runs east–west through the near-center of the city linking Ermita and Rizal Park with the eastern districts. It is home to the World Health Organization Western Pacific headquarters. U.N. Avenue begins at a fork in Quirino Avenue Extension and Paz Mendoza Guazon Street, just west of Pandacan. It continues through the area of Tanque and Isla de Provisor in northern Paco district passing several rows of warehouses and a few institutional buildings.