Avanti! began to use again the traditional header of Galantara, proclaiming itself as the giornale del Partito Socialista Italiano di Unità Proletaria ("newspaper of the Italian Socialist Party of Proletarian Unity"). Giving the news of the stipulation of the Armistice of Cassibile, the issue n. 2 of the 47th year, published on 9 (incorrectly printed as 3) September 1943, was entitled La guerra fascista è finita ("The fascist war is over"), while the subheading said La lotta dei lavoratori continua ("The struggle of workers continues") mocking the Badoglio Proclamation of 25 July (la guerra continua, "The war continues"). Avanti! of 16 March 1944, printed and distributed illegally in the territories of the Italian Social Republic and whose occupied by Nazi Germany, proclaimed: La classe operaia in prima fila nella lotta per l'indipendenza e per la libertà ("The workers' class in the front row in the fight for independence and freedom"), with the sub-header: Lo sciopero generale nell'Italia Settentrionale contro la coscrizione, le deportazioni e le decimazioni ("The general strike in Northern Italy against conscription, deportations and decimations"). The Roman edition of clandestine Avanti! was edited by Eugenio Colorni and Mario Fioretti, as Sandro Pertini remembered: {{Quote|[...] I remember how Colorni, my unforgettable brother of election, did all what he could to ensure the regular pubblication of Avanti!. He personally, taking every kind of risks, not only wrote main articles but he also cared for printing and distribution, helped in that by Mario Fioretti, flaming soul and generous apostle of Socialism. For this task to which he had a particular feel because of his preparation and mental ability, Colorni dedicated all himself, without however leaving also the most modest assignments in the political and militar organization of our Party. He loved deeply the newspaper and dreamed to direct our editorial staff after the Liberation and only if was not taken away by the fascist ferocity, he would be the first editor-in-chief of Avanti! in the freed Rome and today he would be its director, supported in this task not only by his strong genius and his wide culture, but also by his deep honesty and that sense of justice which had always guided his actions. For his work and the one of Mario Fioretti, Avanti! was, among the clandestine newspapers, the one with more mordant and it was capable to explain more clearly the problems regarding working masses. His publication was