Between 28 February 1992 and 24 September 1993 Cambodia was administered by the United Nations Transitional Authority in Cambodia (UNTAC) under the terms of the 1991 Paris Peace Agreements which ended the Cambodian–Vietnamese War.
This was the first time the United Nations directly assumed responsibility for the administration of an independent member state.
Resolution 2803 adopted by the United Nations Security Council on 17 November 2025 contains provisions for the transitional governance of the Gaza Strip in the aftermath of the Gaza war. The resolution, incorporating the Gaza peace plan, authorises an international body, known as the Board of Peace, to act as a transitional administration for Gaza and allows for the deployment of an International Stabilization Force (ISF) into the territory. Both bodies are mandated until 31 December 2027, but this can be extended by the Security Council.
The administration is modelled on earlier United Nations mandated transitional authorities such as those in West New Guinea (UNTEA), Cambodia (UNTAC), Eastern Slavonia (UNTAES), Kosovo (UNMIK) and East Timor (UNTAET).
The Paris Peace Agreements (Khmer: សន្ធិសញ្ញាសន្តិភាពទីក្រុងប៉ារីស ឆ្នាំ១៩៩១; French: Accords de paix de Paris), officially the Comprehensive Cambodian Peace Agreements, was signed on 23 October 1991 and marked the official end of the Cambodian–Vietnamese War and the Third Indochina War. The agreement led to the deployment of the first UN peacekeeping mission (the United Nations Transitional Authority in Cambodia) since the Cold War and the first occasion in which the United Nations took over as the government of a state. The agreement was signed by nineteen countries.
The Paris Peace Agreements were the following conventions and treaties:
This is a list of territories which are directly administered, or once were, by the United Nations (UN). These are not to be confused with UN trust territories, which were run by a single country under a UN mandate.