1,303 articles
Union of Kėdainiai
Union of Kėdainiai (Kėdainių unija), also Treaty of Kėdainiai: agreement of 20 October 1655 uniting the Grand Duchy of Lithuania with Sweden and breaking its union with Poland; initiated by Janusz Radziwiłł, abandoned after the 1656 uprising.
Union of Krewo
Union of Krewo (Act of Kreva), 14 August 1385 agreement at Kreva castle in which Grand Duke Jogaila promised baptism, marriage to Jadwiga, and applicare of Lithuania to Poland; a prenuptial pact whose meaning is disputed.
Union of Lublin
Union of Lublin (Unia Lubelska, Liublino unija), real union of Poland and Lithuania concluded 1 July 1569, creating the Commonwealth of Two Nations with a joint ruler, sejm, defense, and currency, lasting until 1795.
Union of Mielnik
The Union of Mielnik was a 1501 treaty proposing that Poland and Lithuania form one indivisible state under a jointly elected monarch, though it never came into force.
UNITA sanctions regime
The UNITA sanctions regime was a set of UN Security Council measures imposed from 1993 to 2002 against Angola's UNITA rebels, covering arms, petroleum, travel, finance, and diamonds.
United Nations Assistance Mission in Afghanistan
UNAMA (United Nations Assistance Mission in Afghanistan) is a UN special political mission established 28 March 2002 by Resolution 1401, headed by Roza Otunbayeva, mandated for humanitarian support, human rights monitoring, and political engagement, extended to 17 June 2027.
United Nations Assistance Mission in Somalia
The United Nations Assistance Mission in Somalia (UNSOM) was a UN political mission established in 2013 and based in Mogadishu, replaced by UNTMIS in 2024.
United Nations Commission of Experts for the Former Yugoslavia
The United Nations Commission of Experts for the Former Yugoslavia was a five-member body created by Security Council resolution 780 in 1992 to investigate grave breaches of the Geneva Conventions.
United Nations Committee on the Peaceful Uses of Outer Space
The United Nations Committee on the Peaceful Uses of Outer Space (COPUOS) is a UN body created in 1959, headquartered in Vienna, with 110 member states and two subcommittees.
United Nations Compensation Commission
The United Nations Compensation Commission was a Security Council organ created in 1991 to process claims against Iraq for its 1990 invasion of Kuwait, awarding US$52.4 billion.
United Nations Conference on International Organization
The United Nations Conference on International Organization, or San Francisco Conference, met in San Francisco from April to June 1945, where 50 nations drafted the Charter of the United Nations.
United Nations Convention Against Torture
United Nations Convention Against Torture (CAT, 1984): multilateral human rights treaty adopted by General Assembly resolution 39/46, in force 26 June 1987, defining torture, requiring criminalization and non-refoulement, and creating the ten-member Committee against Torture; distinct from its 2002 Optional Protocol (OPCAT).
United Nations Convention on the Law of the Sea
UNCLOS, adopted 10 December 1982 and in force since 1994 with 168 parties, is the treaty defining maritime zones (12 nm territorial sea, 200 nm EEZ and continental shelf), navigation rules, the seabed regime, and dispute settlement; the BBNJ implementing agreement entered into force in 2026.
United Nations Convention on Transparency in Treaty-based Investor-State Arbitration
The United Nations Convention on Transparency in Treaty-based Investor-State Arbitration, informally the Mauritius Convention, adopted in 2014, lets states apply the UNCITRAL Transparency Rules to pre-2014 investment treaties.
United Nations Disengagement Observer Force
United Nations Disengagement Observer Force (UNDOF), established 1974, is a UN peacekeeping mission monitoring the Israel-Syria ceasefire and buffer zone on the Golan Heights; its mandate runs to 31 December 2026 under resolution 2824.
United Nations Force Intervention Brigade
The UN Force Intervention Brigade (FIB) is an offensive combat unit created within MONUSCO by Security Council resolution 2098 on 28 March 2013, with three infantry battalions, artillery, and special and reconnaissance companies, mandated to neutralize armed groups in eastern DRC.
United Nations General Assembly Resolution 3379
UNGA Resolution 3379 (XXX), adopted 10 November 1975 by 72-35-32, determined "Zionism is a form of racism and racial discrimination"; it was revoked by resolution 46/86 on 16 December 1991 after the PLO agreed to rescind it for the Oslo process.
United Nations Good Offices Mission in Afghanistan and Pakistan
UNGOMAP, the United Nations Good Offices Mission in Afghanistan and Pakistan (1988-1990), was a 50-observer peacekeeping mission monitoring the Geneva Accords, the Soviet troop withdrawal, and refugee return.
United Nations Interim Administration Mission in Kosovo
The United Nations Interim Administration Mission in Kosovo (UNMIK) is the interim UN civil administration for Kosovo, created by Security Council Resolution 1244 on 10 June 1999.
United Nations Interim Security Force for Abyei
UNISFA, the United Nations Interim Security Force for Abyei, is a Chapter VII UN peacekeeping mission created by Resolution 1990 (27 June 2011) with Ethiopian troops to demilitarize and secure the disputed Abyei Area between Sudan and South Sudan; mandate extended to 15 November 2026.
United Nations laissez-passer
United Nations laissez-passer (UNLP): travel document issued to UN officials under Article VII of the 1946 Convention on Privileges and Immunities; not a passport, no nationality field; blue and red covers; expedited visas and diplomatic-envoy facilities for senior officials.
United Nations Mission in Liberia
UNMIL, the United Nations Mission in Liberia, was a peacekeeping operation established by Security Council resolution 1509 (2003), with up to 15,000 troops and 1,115 police, supporting Liberia's ceasefire, DDR, and security reform until completing its mandate on 30 March 2018.
United Nations Mission in Sierra Leone
UNAMSIL, the United Nations Mission in Sierra Leone (1999-2005), was a peacekeeping operation created by Resolution 1270 to implement the Lomé Peace Agreement, disarm over 75,000 ex-fighters, and stabilize the country after its civil war.
United Nations Mission in South Sudan
UNMISS, the United Nations Mission in South Sudan, is a peacekeeping operation established 9 July 2011, succeeding UNMIS. Around 12,000 peacekeepers protect civilians under Resolution 2820 (2026), renewed until 30 April 2027.
United Nations Mission in Sudan
UNMIS (United Nations Mission in the Sudan) was a UN peacekeeping mission, HQ Khartoum, established 24 March 2005 by resolution 1590 to implement the Comprehensive Peace Agreement; it closed 9 July 2011, succeeded by UNMISS and UNISFA.
United Nations Monitoring, Verification and Inspection Commission
UNMOVIC, the UN Monitoring, Verification and Inspection Commission, was created by Security Council resolution 1284 (17 December 1999) to replace UNSCOM, inspect Iraq for WMD and missiles over 150 km, worked in 2002-2003 under Blix, and was terminated by resolution 1762 in 2007.
United Nations Multidimensional Integrated Stabilization Mission in Mali
The United Nations Multidimensional Integrated Stabilization Mission in Mali (MINUSMA) was a UN peacekeeping operation in Mali from 2013 to 2023, the UN's most dangerous mission.
United Nations Operation in Côte d'Ivoire
UNOCI (ONUCI) was the UN peacekeeping mission in Côte d'Ivoire, deployed 4 April 2004 under resolution 1528 to implement the January 2003 peace agreement, protect civilians through the 2010–2011 post-election crisis, and closed 30 June 2017 after 13 years and 150 peacekeeper deaths.
United Nations Operation in Somalia II
The United Nations Operation in Somalia II (UNOSOM II) was a UN peacekeeping mission in Somalia, established in March 1993 to create a secure environment for delivering humanitarian aid.
United Nations peacekeeping mandates in the former Yugoslavia
Security Council mandates for UN peacekeeping in the former Yugoslavia, 1991-2002: UNPROFOR's creation and 1995 split into UNCRO, UNPROFOR-Bosnia, and UNPREDEP; IFOR takeover on 20 December 1995; UNMIBH closure in 2002.