Ubiquitous in fascist Italy, the hymn emphasized youth as a theme of the fascist movement and was one example of the centrality of the Arditi (Italian World War I veterans) to the fascist narrative.
"Giovinezza" was composed by lawyer and composer Giuseppe Blanc in 1909 as "Il Commiato" (Italian for "farewell"). Blanc also wrote other Fascist songs, including The Eagles of Rome, the Imperial Hymn. Previously a Turin university graduation song, and popular among Italian soldiers during World War I, the song was called "Inno degli Arditi" (Hymn of the Arditi, a corps of the Italian Royal Army during World War I, whose members joined the fascist movement in large numbers). The hymn was further popularized by the mass rallies of Gabriele d'Annunzio in Fiume.
The version sung during the March on Rome was composed by G. Castaldo in 1921, using the original score by Giuseppe Blanc and words by Marcello Manni (beginning "Su compagni in forte schiere"). After the March on Rome, where it was sung, Mussolini commissioned Salvator Gotta to write the new lyrics, which were completed in 1924.
Gotta's version plays on fascist themes like youth and nationalism. Its reference to "Alighieri's vision" is an allusion to Dante Alighieri marking Italy's borders on the Quarnaro River, thus including the province of Istria, a territory granted to Italy after World War I.
After the capitulation of Italy in 1944, the Allies suppressed the hymn in Italy. At the time, Italy had no national anthem, until Il Canto degli Italiani was provisionally chosen when Italy became a Republic on 12 October 1946, only to be officially legislated on 17 November 2005. "Giovinezza" is currently banned in Italy,[dubious – discuss] people have been arrested in the post-war period for singing it.
The lines "E per Benito Mussolini / Eja eja alalà / E per la nostra Patria bella / Eja eja alalà" do not appear in some recorded and published versions of the song.
"Giovinezza" was played "with the slightest pretext" at sporting events, films, and other public gatherings, and often carried adverse (even violent) consequences for those who did not join in. Even foreigners were roughed up by blackshirts if they failed to remove their hats and show respect when "Giovinezza" was played.
There was a German song with German lyrics, set to the same tune as Giovinezza; "Hitlerleute" (Hitler's people) replacing "Giovinezza."  A Japanese translation of Giovinezza, "?" (lit. The song of blackshirts party), was created in commemoration of the Tripartite Pact and used in Japanese overseas broadcasting.
"Giovinezza" was sung on 12 March 1939, the day of Pope Pius XII's coronation, by the Pope's Palatine Guard. After the last ceremony of his papal coronation was over Pius XII went to rest in the Lateran Palace. The singing occurred during a moment of public bonhomie between the Palatine Guards and the Italian Guards, "Palantine and Italian Guards exchanged courtesies, the former playing the fascist anthem, "Giovinezza" and the latter the papal hymn." This incident, which was not part of the coronation ceremony and took place without the knowledge or approval of Pope Pius XII is sometimes used to portray Pius XII as a crypto-fascist.
Arturo Toscanini (who had previously run as a Fascist parliamentary candidate in 1919 and whom Mussolini had called "the greatest conductor in the world") notably refused to conduct "Giovinezza" on multiple occasions. Toscanini had refused to play "Giovinezza" in Milan in 1922 and later in Bayreuth, which earned him accolades from anti-fascists throughout Europe. Mussolini did not attend the premier of Puccini'sTurandot on 15 April 1926 – having been invited by the management of La Scala – because Toscanini would not play Giovinezza before the performance. Finally, Toscanini refused to conduct "Giovinezza" at a May 1931 concert in Bologna, was subsequently roughed up by a group of blackshirts, and thereafter left Italy until after World War II.
Relationship to Marcia Reale
The Royal March had often preceded "Giovinezza" on official occasions, as required by official regulations following an abortive attempt to conflate the two songs. Many considered the Royal March "long winded and gaudy," and these faults were thrown into sharp relief by back-to-back ceremonial presentations. "Giovinezza" was used as a sign-off by Italian radio under Mussolini; after the ousting of Mussolini in 1943, the Italian radio signed off for the first time in 21 years playing only the Royal March, "Marcia Reale."