1975 United Nations visiting mission to Spanish Sahara
To assist in the decolonization process of the Spanish Sahara (now Western Sahara), a colony in North Africa, the United Nations General Assembly in 1975 dispatched a visiting mission to the territory and the surrounding countries, in accordance with its resolution 3292 (December 13, 1974). == Purpose of the visiting mission == The mission intended to investigate the political situation in the Spanish Sahara, as well as the conflicting claims to the territory: Spain had administered the Spanish Sahara since the Berlin Congress in 1884, but had announced it was pulling out of the territory.
Source: Wikipedia — 1975 United Nations visiting mission to Spanish Sahara (CC BY-SA 4.0)