(Franco Crinò) elected in single-seat constituencies. Secretary De Michelis and spokesperson Martelli were not elected since the party failed to pass the 4% threshold. 2004 European Parliament election At the 2004 European Parliament election, the NPSI formed an alliance with small social democratic movements and parties such as Socialist Unity, founded and headed by Claudio Signorile. The list, named United Socialists for Europe, gained 2.0% of the vote and two MEPs, De Michelis and Alessandro Battilocchio. In Calabria, the list gained 7.0%, the highest result ever for the party. The party was denied membership of the Group of the Party of European Socialists and the two NPSI MEPs sat as Non-Inscrits. They eventually joined the Party of European Socialists in October 2007 as members of the newly formed Socialist Party (PS). At the 2005 regional elections, the NPSI ran its lists as part of the CdL. In Calabria, the party's stronghold, it received 5.4%. However, the CdL lost 12 regions out of 14, forcing Berlusconi to reshuffle cabinet. In the new government, Caldoro was promoted minister. De Michelis vs. Craxi In October 2005, a national congress was held in Rome in order to deliberate the political line to be held by the party, particularly about electoral coalitions. During the congress, which was characterised by a heated atmosphere and several controversies, Craxi, who supported a "unity towards left" within The Union and an immediate retirement from Berlusconi's government, challenged De Michelis, who instead asked the congress to delay the decision. De Michelis received support from Caldoro, Maroni and Battilocchio whereas Craxi was supported by Milioto, Crinò and Saverio Zavettieri, the powerful Calabrian leader of the party. At some point, De Michelis unrecognised the congress, declaring it had never been officially opened and abandoned it with all of his supporters. The remaining delegates thus elected Craxi secretary. Later, the Tribunal of Rome nullified the congress's outcome. 2006 general election Craxi's faction abandoned the party immediately after the sentence, was re-organised into The Italian Socialists and joined The Union. After winning the legal dispute for the symbol and the leadership of the NPSI, De Michelis led the party into an alliance with Gianfranco Rotondi's Christian Democracy for the Autonomies (DCA) at the 2006 general election. The DCA-NPSI list gained a mere 0.7% of the vote for the Chamber of Deputies and 0.6% for the Senate. It still had six deputies elected because as