Someone asked about the original text of the treaties yesterday:Europa - Treaties of the European UnionThis page contains the following information:1) Treaty of Lisbon (2009)Purpose: to make the EU more democratic, more efficient and better able to address global problems, such as climate change, with one voice.Main changes: more power for the European Parliament, change of voting procedures in the Council, citizens' initiative, a permanent president of the European Council, a new High Representative for Foreign Affairs, a new EU diplomatic service.Read more about the Treaty of LisbonThe Treaty establishing a constitution for Europe (2004) ? with aims similar to the Lisbon Treaty ? was signed but never ratified.2)Treaty of Nice (2003)Purpose: to reform the institutions so that the EU could function efficiently after reaching 25 member countries.Main changes: methods for changing the composition of the Commission and redefining the voting system in the Council.Full text of the Treaty of Nice3) Treaty of Amsterdam (1999)Purpose: To reform the EU institutions in preparation for the arrival of future member countries.Main changes: amendment, renumbering and consolidation of EU and EEC treaties. More transparent decision-making (increased use of the co-decision voting procedure).Full text of the Treaty of Amsterdam4) Treaty on European Union - Maastricht Treaty (1993)Purpose: to prepare for European Monetary Union and introduce elements of a political union (citizenship, common foreign and internal affairs policy).Main changes: establishment of the European Union and introduction of the co-decision procedure, giving Parliament more say in decision-making. New forms of cooperation between EU governments ? for example on defence and justice and home affairs.Full text of the Maastricht Treaty5) Single European Act (1986)Purpose: to reform the institutions in preparation for Portugal and Spain's membership and speed up decision-making in preparation for the single market.Main changes: extension of qualified majority voting in the Council (making it harder for a single country to veto proposed legislation), creation of the cooperation and assent procedures, giving Parliament more influence.Full text of the Single European Act6) Merger Treaty - Brussels Treaty (1967)Purpose: to streamline the European institutions.Main changes: creation of a single Commission and a single Council to serve the then three European Communities (EEC, Euratom, ECSC). Repealed by the Treaty of Amsterdam.Full text of the Merger Treaty7) Treaties of Rome - EEC and EURATOM treaties (1958)Purpose: to set up the European Economic Community (EEC) and the European Atomic Energy Community (Euratom).Main changes: extension of European integration to include general economic cooperation.Full text of the Treaties of Rome8) Treaty establishing the European Coal and Steel Community (1952)Purpose: to create interdependence in coal and steel so that one country could no longer mobilise its armed forces without others knowing. This eased distrust and tensions after WWII. The ECSC treaty expired in 2002.Full text of the Treaty establishing the European Coal and Steel CommunityWhen new countries joined the EU, the founding treaties were amended: 1973 (Denmark, Ireland, United Kingdom) 1981 (Greece) 1986 (Spain, Portugal) 1995 (Austria, Finland, Sweden) 2004 (Czech Republic, Cyprus, Estonia, Hungary, Latvia, Lithuania, Malta, Poland, Slovakia, Slovenia). 2007 (Bulgaria, Romania)As you see, the full text is available for each treaty on that site.