The Treaty of Rome creates the European Economic Community (EEC), or ‘Common Market’
EU countries stop charging custom duties when they trade with each other.
Denmark, Ireland and the United Kingdom join the European Union on 1 January 1973, raising the number of Member States to nine.
The Single Market is completed with the 'four freedoms' of: movement of goods, services, people and money.
East and West Germany are united in October 1990
The political divisions between east and west Europe are finally declared healed when no fewer than 10 new countries join the EU in 2004
A financial crisis hits the global economy in September 2008
The Treaty of Lisbon is ratified by all EU countries before entering into force in 2009
In 2012, the European Union is awarded the Nobel Peace Prize