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Events on Tuesday 1 December 2009 2
2009Stevie Wonder named UN Messenger of PeaceUnited NationsAppointed to campaign for people with disabilities.
2009Treaty of Lisbon enters into forceEU reform treaty creates new presidency and voting rulesThe Treaty of Lisbon took effect across the European Union after years of ratification delays, amending the bloc's governing treaties. It created the post of President of the European Council and streamlined qualified-majority voting. Herman Van Rompuy became the first holder of the new presidency.