The Union (political coalition) Tags: Political Party.The Union (Italian: L’Unione) was an heterogenous centre-left electoral alliance of political parties in Italy. It was led by Romano Prodi Prime Minister of Italy from April 2006 to April 2008 and former President of the European Commission. thumbnail country Italy extinction date 2008-02-08 extinction year 2008-01-01T00:00:00+02:00 formation date 2005-02-10 formation year 2005-01-01T00:00:00+02:00 headquarter Rome leader Romano Prodi Learn more... Loading...