title: Irish Treaty of Lisbon referendum
text: # Irish Treaty of Lisbon referendum
  
  Irish Treaty of Lisbon referendum may refer to:
  
  * Twenty-eighth Amendment of the Constitution Bill 2008, a failed proposal to ratify the Treaty of Lisbon, held on 12 June 2008
  * Twenty-eighth Amendment of the Constitution of Ireland, a second referendum to ratify the Treaty of Lisbon, held on 2 October 2009
  