Treaty of Paris (1815) notably Prussia, initially demanded that France cede significant territory in the East, rivalry among the powers and the general desire to secure the Bourbon restoration made the peace settlement less onerous than it might have been. The treaty was signed for Great Britain by Lord Castlereagh and the Duke of Wellington and by the duc de Richelieu for France; parallel treaties with France were signed by Austria, Russia, and Prussia, forming in effect the first confederation of Europe. The Quadruple Alliance was reinstated in a separate treaty also signed 20 November 1815, introducing a new concept in European diplomacy, the
History of the European Union A proposed constitutional treaty was signed by plenipotentiaries from EU member states on 28 October 2004. The document was ratified in most member states, including two positive referendums. The referendums that were held in France and the Netherlands failed however, killing off the treaty. The European Council agreed that the constitution proposal would be abandoned, but most of its changes would be retained in an amending treaty. On 13 December 2007 the treaty was signed, containing opt-outs for the more eurosceptic members and no state-like elements. The Lisbon treaty finally came into force on 1 December 2009. It created the