European integration
process of political, economic, social, and cultural integration of European states
European integration is the process of political, legal, social, regional and economic integration of states wholly or partially in Europe, or nearby. European integration has primarily but not exclusively come about through the European Union (EU) and its policies, and can include cultural assimilation and centralisation.
The history of European integration is marked by the Roman Empire's consolidation of the European continent, which set a precedent for the notion of a unified Europe. This idea was echoed through attempts at unity, such as the Holy Roman Empire, the Hanseatic League, and the First French Empire. The devastation of World War I reignited the concept of a unified Europe, leading to the establishment of international organizations aimed at political coordination across Europe. The interwar period saw politicians such as Richard von Coudenhove-Kalergi and Aristide Briand advocating for European unity, albeit with differing visions.
Post-World War II Europe saw a significant push towards integration, with Winston Churchill's call for a "United States of Europe" in 1946 being a notable example. This period saw the formation of theories around European integration, categorizing into proto-integration, explaining integration, analyzing governance, and constructing the EU, reflecting a shift from viewing European integration as a unique process, to incorporating broader international relations and comparative politics theories.
Citizens' organizations have played a role in advocating further European integration, exemplified by the Union of European Federalists and the European Movement International. Various agreements and memberships demonstrate the web of relations and commitments between European countries, showing the multi-layered nature of integration.
This brief starts where responsible research should: with the source description of “European integration” as process of political, economic, social, and cultural integration of European states. Everything that follows is an evidence route, not borrowed authority.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 1, 2026. The linked authority identifier is Q1048268. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1946.
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This entry incorporates text from “European integration” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.