Part of a series of articles on
UK membership
of the European Union
(1973–2020)
Accession
1975 referendum
Treaty amendments
Single European Act, 1986 (UK ratification)
Maastricht Treaty, 1992 (UK ratification)
Treaty of Amsterdam, 1997 (UK ratification)
Treaty of Nice, 2001 (UK ratification)
Treaty of Lisbon, 2007 (UK ratification)
MEPs for UK constituencies
Members 1973–1979 (elected by parliament)
Members 1979–1984 (1979 election)
Members 1984–1989 (1984 election)
Members 1989–1994 (1989 election)
Members 1994–1999 (1994 election)
Members 1999–2004 (1999 election)
Members 2004–2009 (2004 election)
Members 2009–2014 (2009 election)
Members 2014–2019 (2014 election)
Members 2019–2020 (2019 election)
Officials and bodies
Issues and events
Withdrawal
More