These factsheets break down the details of the treaties that have shaped the European Union since 1957; why they were created, how they were put in place and what they do.

• Treaty of Rome (1957)


• Single European Act (1986)


• Treaty of Maastricht (1992)


• Treaty of Amsterdam (1997)


• Treaty of Nice (2001)


• Treaty of Lisbon (2007)

• The Fiscal Stabilty Treaty