Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
The Treaty of Lisbon

Treaty signed on December 13, 2007, by the European Union’s 27 member States and which modified the European Union’s institutions. It came into force on December 1, 2009. This treaty also created the High Representative of the Union for Foreign Affairs and Security Policy. The post has been occupied since November 19, 2009, by the British politician Catherine Ashton.

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