The Lisbon Treaty is the latest of the Treaties which, to date, have amended the Treaties on the basis of which the Communities and the European Union were founded, such as the Single European Act (1986), the Treaty on European Union (Maastricht Treaty) (1992), the Amsterdam Treaty (1997) and the Treaty of Nice (2001).
The Treaty of Lisbon entered into force on 1 December 2009
Treaty of Lisbon (via Europa). Full text and accompanying resources.
The listing below are the websites of major EU institutions:
Delegation of the European Union
News about Europe
Other useful websites