Events relating to european union

A treaty signed in the Netherlands town of Maastricht establishes the European Union and prepares for the introduction of the euro

Eleven of the nations in the European Union adopt the euro as a shared single currency

Ten new member states (Poland, Lithuania, Latvia, Estonia, Czech republic, Slovakia, Slovenia, Hungrary, Malta, Cyprus) join the European Union

Representatives of the member states of the European Union accept a proposed European Constitution, subject to its ratification by each state

In a referendum in Ireland voters reject the Treaty of Lisbon, which has the effect of halting ratification throughout the European Union

Severe austerity measures in Greece persuade Germany to back an increased EU and IMF bail-out package of 110 billion euros

In response to Portugal's increasing financial crisis the European Union grants the country an emergency loan or bailout of 78 billion euros

The Shard, an 87-storey building in London designed by Renzo Piano, is completed, becojming the tallest building in the European Union

The Nobel Peace Prize, set up by the Swedish inventor Alfred Nobel, is awarded in a controversial decision tto the European Union

People gather in Kiev's main square chanting 'Ukraine is Europe' to protest against President Yanukovych's attempts to align the country with Russia rather than the European Union

A vast crowd assembles in Kiev to protest against President Yanukovych's rejection of an alliance with the European Union, preferring one with Russia

The United Kingdom votes in a referendum to leave the European Union