3 articles
Treaties of the European Union
Treaties of the European Union: the binding agreements (TEU, TFEU, Euratom Treaty, Charter) that create the EU, define its competences and institutions, and are amended by treaties from Maastricht (1993) to Lisbon (2009).
Treaty establishing a Constitution for Europe
The Treaty establishing a Constitution for Europe, often called the European Constitution, was signed in Rome in 2004 by 25 EU member states but never entered into force.
Treaty of Nice
Treaty of Nice: EU amendment treaty agreed 11 December 2000, signed 26 February 2001, in force 1 February 2003. Reformed Council voting weights, Commission composition, and QMV for enlargement to 27; rejected in Ireland's 2001 referendum.