1993Maastricht Treaty Enters into Force

November 1: The Maastricht Treaty comes in to effect.
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Year
1957
1981
1992
1993
2007
2013

🇪🇺 Formation of the European Economic Community

March 25: Treaty of Rome, which would eventually lead to the European Union.
Formation of the European Economic Community (1957)
European UnionEuropean IntegrationPost-WarInternational RelationsTreatyEconomic Cooperation
BelgiumBelgiumFranceFranceGermanyGermanyItalyItalyLuxembourgLuxembourgNetherlandsNetherlands

🇪🇺 Greece Enters the European Communities

Greece Enters the European Communities (1981)
European UnionEuropean IntegrationPolitical AlliancesInternational RelationsEconomic DevelopmentCold WarPost-War
GreeceGreeceBelgiumBelgiumDenmarkDenmarkFranceFranceGermanyGermanyIrelandIrelandItalyItalyLuxembourgLuxembourgNetherlandsNetherlandsUnited KingdomUnited Kingdom

🇪🇺 Maastricht Treaty Signed, Establishing the European Union

February 7: The Maastricht Treaty is signed, creating the European Union.
Maastricht Treaty Signed, Establishing the European Union (1992)
European IntegrationEuropean UnionTreatyInternational RelationsPolitical UnionGlobalizationMultilateralismSovereigntyEconomic Cooperation
BelgiumBelgiumDenmarkDenmarkFranceFranceGermanyGermanyGreeceGreeceIrelandIrelandItalyItalyLuxembourgLuxembourgNetherlandsNetherlandsPortugalPortugalSpainSpainUnited KingdomUnited Kingdom

🇪🇺 Maastricht Treaty Enters into Force

November 1: The Maastricht Treaty comes in to effect.
Maastricht Treaty Enters into Force (1993)
European UnionTreatyEuropean IntegrationPolitical UnionInternational Relations
BelgiumBelgiumDenmarkDenmarkFranceFranceGermanyGermanyGreeceGreeceIrelandIrelandItalyItalyLuxembourgLuxembourgNetherlandsNetherlandsPortugalPortugalSpainSpainUnited KingdomUnited Kingdom

🇪🇺 EU Member States Sign the Treaty of Lisbon

December 13: 27 EU member states sign the Treaty of Lisbon, with the treaty coming into effect on December 1, 2009.
EU Member States Sign the Treaty of Lisbon (2007)
European UnionTreatyPolitical IntegrationInternational RelationsLawEU EnlargementGovernance
AustriaAustriaBelgiumBelgiumBulgariaBulgariaCyprusCyprusCzech RepublicCzech RepublicDenmarkDenmarkEstoniaEstoniaFinlandFinlandFranceFranceGermanyGermanyGreeceGreeceHungaryHungaryIrelandIrelandItalyItalyLatviaLatviaLithuaniaLithuaniaLuxembourgLuxembourgMaltaMaltaNetherlandsNetherlandsPolandPolandPortugalPortugalRomaniaRomaniaSlovakiaSlovakiaSloveniaSloveniaSpainSpainSwedenSwedenUnited KingdomUnited Kingdom

🇭🇷 Croatia Joins the European Union

July 1: Croatia becomes a member of the European Union.
Croatia Joins the European Union (2013)
European IntegrationEuropean UnionInternational Relations
CroatiaCroatia