All articles starting with U

Union of Congolese Patriots

The Union of Congolese Patriots (Union des Patriotes Congolais, UPC) was a largely Hema militia founded in Bunia, Democratic Republic of the Congo, in 2000 by Thomas Lubanga Dyilo.

Union of Crete with Greece

The Union of Crete with Greece (Ένωσις της Κρήτης) was the incorporation of the island of Crete into Greece, proclaimed at Chania on 1 December 1913 after the Balkan Wars.

Union of Democratic Forces (Съюз на демократичните сили) (Bulgaria)

Union of Democratic Forces (Съюз на демократичните сили, SDS/UDF), Bulgarian center-right party founded 7 December 1989 as an anti-communist coalition; led governments under Filip Dimitrov (1991) and Ivan Kostov (1997–2001); full EPP member since 2007, now allied with GERB.

Union of Democratic Forces of Guinea

The Union of Democratic Forces of Guinea (UFDG) was a social-liberal party in Guinea, led from 2007 by Cellou Dalein Diallo and dissolved by decree in March 2026.

Union of Democrats and Independents

Union of Democrats and Independents (UDI), Union des démocrates et indépendants: French centrist, pro-European, liberal-conservative party founded in 2012 by Jean-Louis Borloo; led by Hervé Marseille; ALDE member, distinct from MoDem and Les Républicains.

Union of Greens and Farmers

Union of Greens and Farmers (Zaļo un Zemnieku savienība, ZZS), Latvian agrarian-green political alliance founded 2002 by the Latvian Green Party and Farmers' Union; peaked at 20.1% and 22 Saeima seats in 2010, left parliament after the 2026 election.

Union of Horodło

Union of Horodło, 2 October 1413 Polish-Lithuanian union act signed at Horodło on the Bug by Jagiełło and Vytautas; 47 Lithuanian boyar families adopted into Polish heraldic clans, Catholic-only offices in Vilnius and Trakai, and a regulated Lithuanian grand-ducal election.

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 Liberation

The Union of Liberation (Союз освобождения) was an illegal liberal-democratic organization in Russia, founded in 1903 to replace tsarist absolutism with constitutional rule; most members joined the Kadet party in 1905.

Union of Lithuanian Freedom Fighters

The Union of Lithuanian Freedom Fighters (LLKS) was an underground Lithuanian organization founded in December 1940 to resist Soviet and Nazi occupation and restore independence.

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.

Union of Moroccan Writers

The Union of Moroccan Writers (اتحاد كتاب المغرب) is Morocco's national association of writers, launched in 1961 by Mohamed Aziz Lahbabi as an independent cultural organization.

Union of October 17

The Union of October 17 (Союз 17 октября), commonly called the Octobrists, was a right-liberal party of the Russian Empire, founded in November 1905 and led by Alexander Guchkov.

Union of Polish Patriots

The Union of Polish Patriots (Związek Patriotów Polskich, ZPP) was a communist-controlled organization of Poles in the Soviet Union, founded in 1943 under Wanda Wasilewska.

Oct 15, 2026

Union of Post Office Workers

The Union of Post Office Workers was a British trade union, formed in 1919 from 44 postal staff associations and organizing most postal grades until renamed in 1980.

Union of Salvation

The Union of Salvation (Союз спасения) was the first secret Decembrist organization, founded in Saint Petersburg in 1816 to abolish serfdom and establish a constitutional monarchy.

Union of South Africa

The Union of South Africa: dominion created by the South Africa Act 1909 from the Cape, Natal, Transvaal, and Orange River Colony, inaugurated 31 May 1910 under Prime Minister Louis Botha, ending as a republic in 1961.

Union of South American Nations

UNASUR (Unión de Naciones Suramericanas) is the twelve-state South American integration organization founded 2004, under a 2008 Constitutive Treaty, with Quito headquarters; inactive since 2018 withdrawals but still legally in force.

Union of Soviet Composers

The Union of Soviet Composers (Союз композиторов СССР) was the all-Union organization uniting Soviet composers and musicologists under state oversight, with an Organizing Committee from 1939 and a First Congress in 1948.

Union of Soviet Writers

The Union of Soviet Writers (Союз советских писателей) was the official Soviet writers' organization, founded in 1934 under Maxim Gorky to administer literature on socialist realism.

Union of Tanganyika and Zanzibar

The Union of Tanganyika and Zanzibar was the 1964 merger of two newly independent sovereign states into the United Republic of Tanzania, signed by Presidents Nyerere and Karume in April 1964.

Union of the Centre (2002)

The Union of the Centre, founded in 2002 as the Union of Christian and Centre Democrats, is an Italian Christian-democratic party led by Pier Ferdinando Casini's merger.

Union of the Crowns

Union of the Crowns: the 1603 dynastic union when James VI of Scotland became James I of England and Ireland. A personal union of two distinct kingdoms retaining separate parliaments, laws, and churches until the 1707 Acts of Union created Great Britain.