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European Integration: Origins to Expansion

Jan 1, 2026

Overview

  • Timeline tracing European integration from 1945 to early 2000s.
  • Focus on key institutions, treaties, and economic integration steps.
  • Explains motives (peace, reconstruction) and practical measures (common markets, single currency).

Origins And Motivation

  • 1945: Second World War ends; strong desire to prevent future wars.
  • Goal: rebuild a common destiny of peace across Europe.
  • Integration seen as a tool for lasting political and economic stability.

Early Institutions And Steps

  • 1951: European Coal and Steel Community (ECSC) created.
    • Founding members: France, West Germany, Belgium, Luxembourg, Netherlands, Italy.
    • Purpose: pool coal and steel resources to prevent resource-driven conflict.
  • 1958: European Economic Community (EEC) established by the same six countries.
    • Abolished customs duties between members to facilitate trade and investment.
    • Result: savings and reinvestment promoted growth and development.

Expansion Of Membership

  • 1958–1986: EEC expanded from 6 to 12 countries.
    • New members included Great Britain, Ireland, Denmark, Greece, Spain, Portugal.
  • Symbolism: EU flag kept 12 stars, reflecting the expanded community.

Single Market And Policy Coordination

  • 1986: European Commission proposed creating a single internal market across member states.
    • Objective: allow free movement of goods, people, capital, and services.
  • Member states coordinated economic and social policies across sectors:
    • Agriculture, industry, energy, environment, transport, and others.
  • 1993: Single (large) internal market opened, crucial for EEC development.
    • Despite the single market, member states still had individual currencies at this time.

Transformation Into The European Union

  • 1993: EEC transformed into the European Union (name change reflecting deeper integration).
  • Maastricht Treaty commitments:
    • Aim to achieve Economic and Monetary Union (EMU) including a single currency.

Euro And Economic Power

  • 2002: Introduction of the euro in participating EU countries, replacing national currencies.
  • Impact:
    • Euro became a major global currency, comparable to the US dollar and the Japanese yen.
    • Demonstrated the EU’s emergence as a significant world economic power.

Key Terms And Definitions

  • ECSC: European Coal and Steel Community — first supranational European institution (1951).
  • EEC: European Economic Community — common market established in 1958.
  • EU: European Union — name adopted in 1993 to reflect broader integration.
  • Customs Duties: Taxes on goods moved between countries; abolished within the EEC.
  • Single Market: Area with free movement of goods, people, capital, and services (opened 1993).
  • Economic and Monetary Union (EMU): Process to harmonize economies and adopt a single currency (Maastricht Treaty).

Structured Summary

AspectDetails
Founding Period1945 post-war drive for peace and cooperation
First InstitutionECSC (1951): France, West Germany, Belgium, Luxembourg, Netherlands, Italy
Common MarketEEC (1958): abolished customs duties among members
Expansion1958–1986: enlarged to 12 members (adds UK, Ireland, Denmark, Greece, Spain, Portugal)
Single Market Proposal1986: Commission proposed free movement of goods, people, capital, services
Single Market Opening1993: large internal market opened
Political Transformation1993: EEC became European Union; Maastricht Treaty on EMU
Single Currency2002: Euro introduced in participating EU countries

Key Takeaways

  • European integration began as a peace project after WWII and progressed through economic cooperation.
  • Creation of common markets and removal of trade barriers fueled growth and integration.
  • The EU evolved from sectoral cooperation (coal and steel) to a broad political-economic union.
  • Adoption of the euro marked a major step in establishing the EU as a global economic power.

Possible Next Study Steps

  • Review the Maastricht Treaty provisions and criteria for joining the euro.
  • Study the institutional bodies of the EU (Commission, Council, Parliament) and their roles.
  • Examine subsequent enlargements and how they affected EU policies and symbols.