Completed the following sentence: Negotiations to modify EU institutions began in 2001, resulting first in the proposed Treaty establishing a Constitution for Europe, which would have repealed the existing European treaties and replaced them with a "constitution". Although ratified by a majority of member states, this was abandoned after being rejected by 55% of French voters on 29 May 2005 and then by 61% of Dutch voters on 1 June 2005. After a "period of reflection", member states agreed instead to maintain the existing treaties and amend them, to bring into law a number of the reforms that had been envisaged in the abandoned constitution. A reform" treaty was drawn up and signed in Lisbon in 2007. •••••••••••••••••••••••••• <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk>
second referendum in October 2009 after Ireland secured a number of concessions related to the treaty.