Brussels, 18/07/2001 (Agence Europe) - Members of the Democratici di sinistra elected to the European Parliament (who sit in the Socialist Group) have organised a seminar to be held on 19 and 20 July on the island of Ventotene, where Italian Federalist Altiero Spinelli, former MEP and European Commissioner, wrote the Ventotene Federalist Manifesto with his friend Colorni, who was under house arrest with Spinelli on order of the fascist regime. Organised to mark the 60th anniversary of the Ventotene Manifesto, the event will include addresses by: Socialist Group Chair Enrique Baron, EP Constitutional Affairs Committee Chair Giorgio Napolitano, MEP Pasqualina Napoletano, Spinelli's former close collaborator Pier Virgilio Dastoli, Prof. Edmondo Paolini and Gabriele Panizzi of the Federalist Movement.