The history of the European Union (EU) began soon after World War II, when there developed in Europe a strong revulsion against national rivalries and parochial loyalties. European strength and security seemed to lie in a united Europe, and the European Coal and Steel Company—established in 1952—was the first attempt at accomplishing such a union. In 1992, the Maastricht Treaty, formally the Treaty on European Union, officially established the EU. How many member states does the EU have? Discuss
Source: The Free Dictionary