15 January - Irish MEPPat Cox is elected President of the European Parliament.[2]
28 February - The Euro becomes the sole legal tender in all 12 Eurozone countries.[3]
31 May - All 15 member nations of the European Union ratify the Kyoto Protocol, committing to an 8% cut in carbon dioxide emissions between 2008 and 2012 compared to 1990 levels.[4]