Complex sentence: The bill was passed through both houses of the Oireachtas on 24 July 2013 and was put to a referendum on 4 October 2013, at which 65.1% voted in favour, on a turnout of 39.15%.
Split into simpler sentences: The bill was passed through both houses of the Oireachtas on 24 July 2013. A referendum was held on 4 October 2013, at which 65.1% voted in favour, on a turnout of 39.15%.