History by country, small region and city
HistoryModernAncient historyArchaeologyContemporaryPost-classicalIndian historyEarly modernAncientHistory by country, small region and cityFrom Lably lessonsHistory by topicHistorical cities, towns and archaeological sitesBasicsPrehistoryHistory by countryHistorical citiesModern historyHistory by subject matterPost-classical historyHistory by continent and large regionAuxiliary historical sciencesHistory & CivicsHistory by subjectHistory by continent and regionHistory by ethnicityHistory by regionGeneral
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- Ulster Political Research GroupThe Ulster Political Research Group is an advisory body connected to the Ulster Defence As
- Unfederated Malay StatesFormer British protected states in the Malay Peninsula
- Union of Bessarabia with RomaniaRegional unification in Eastern Europe, 1918–40 and 1941–44
- Union of Krewo1385 document between Poland and Lithuania
- Unionism in IrelandPolitical ideology
- United Nations Transitional Authority in CambodiaPeacekeeping mission, 1992–1993
- Upper SilesiaHistorical region in Central Europe
- UreweThe Urewe culture developed and spread in and around the Lake Victoria region of Africa du
- Uruguay during World War IIUruguay remained neutral for most of World War II. The policy of President Alfredo Baldomi
- Uruguayan Civil War1839–51 armed conflict in Uruguay between the Colorado and Blanco factions
- Uruguayan intrastate warThe Uruguayan intrastate war (Spanish: Guerra Interna) was a short military conflict in wh