Date in year · 2009 · The 2000s
On December 1, 2009, the Treaty of Lisbon entered into force in the European Union. The year's #1 song was "Boom Boom Pow" by The Black Eyed Peas. Shaylee Mansfield, Valentina Tronel, Maddox Batson would arrive in the same year.
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2009
2000s
Featured · December 1, 2009
The Treaty of Lisbon is a European agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by all EU member states on 13 December 2007, entered into force on 1 December 2009. It amends the Maastricht Treaty (1992), known in updated form as the Treaty on European Union (2007) or TEU, as well as the Treaty of Rome (1957), known in updated form as the Treaty on the Functioning of the European Union (2007) or TFEU.
Around 2009
2009 (MMIX) was a common year starting on Thursday of the Gregorian calendar, the 2009th year of the Common Era (CE) and Anno Domini (AD) designations, the 9th year of the 3rd millennium and the 21st century, and the 10th and last year of the 2000s decade.
What happened
2007 treaty amending the constitutional basis of the European Union
The Treaty of Lisbon is a European agreement that amends the two treaties which form the constitutional basis of the European Union (EU). The Treaty of Lisbon, which was signed by all EU member states on 13 December 2007, entered into force on 1 December 2009. It amends the Maastricht Treaty (1992), known in updated form as the Treaty on European Union (2007) or TEU, as well as the Treaty of Rome (1957), known in updated form as the Treaty on the Functioning of the European Union (2007) or TFEU.
Elsewhere that year
The class of 2009
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