UK Parliament and the EU

The UK joined the European Economic Community (EEC or Common Market – a union of six States) in January 1973. We look at the history of the EEC and trace the key events that have changed the Common Market the UK joined in the 1970s into the European Union of 28 States that we know today.

Key Dates

Key dates in the history of Britain and the European Union

Contemporary context

Parliament and the EU in the 21st century

Further your research

Further resources on Parliament and the EU

From the Parliamentary Collections

Items from the Parliamentary Collections about Britain and Europe

Brexit: research and analysis

Read research and analysis from Parliament's libraries and committees on how leaving the EU will affect different policy areas in the UK

Related Information

Find out more about the Parliamentary Archives