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19581974199120072024
Updated:Apr 23, 2026
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European Commission: major institutional reforms and presidencies (1958–2024)

European Commission: major institutional reforms and presidencies (1958–2024)

  1. Hallstein Commission holds first formal meeting

    Labels: Val-Duchesse, EEC Commission
  2. Rey Commission starts as first merged Commission

    Labels: Rey Commission, Single Commission
  3. Santer Commission begins five-year term alignment

    Labels: Jacques Santer, European Commission
  4. Santer Commission resigns en masse

    Labels: Santer Commission, European Parliament
  5. Treaty of Lisbon enters into force

    Labels: Lisbon Treaty, High Representative
  6. European Parliament re-elects von der Leyen

    Labels: Ursula von, European Parliament