Fascist Italy is the first modern case of an anti-democratic movement taking power through a mix of street intimidation and constitutional appointment, then dismantling the system from within.
The ultimatum and the March on Rome (1922)
On October 24, 1922, at a rally in Naples, Mussolini declared: "Either the government will be given to us, or we will seize it by marching on Rome." He was appointed prime minister on October 31, 1922, becoming the youngest in Italian history (Britannica).
Rewriting the electoral rules (1923–1924)
Granted full powers for a year, Mussolini's government passed a law that allowed the Fascists to secure a parliamentary majority (Britannica). The 1923 Acerbo Law awarded two-thirds of the seats in the Chamber of Deputies to the party list that came first with at least 25 percent of the vote. The elections held under it in 1924 were, in Britannica's words, "undoubtedly fraudulent" (Britannica).
The Matteotti murder (1924–1925)
On May 30, 1924, Socialist deputy Giacomo Matteotti delivered a forceful denunciation of the Fascist Party in the Chamber. On June 10, 1924, six Fascist squadristi seized him in Rome and killed him (Britannica). Opposition deputies walked out in protest (the "Aventine secession"), but Parliament failed to act decisively and the suspects were freed (Britannica).
On January 3, 1925, Mussolini told the Chamber that he took "full responsibility" for the murder as head of the Fascist Party and dared his critics to prosecute him; they did not (Britannica).
The one-party state (1925–1926)
Opposition parties, trade unions and the free press were then outlawed, and Italy became a one-party state (Britannica).
Playbook parallels
The sequence maps onto several of the Seven Pillars: tolerated political violence (Pillar 7), rewriting electoral rules to tilt the field (Pillar 6), and the final elimination of independent media and parties (Pillars 1 and 4). It also shows the failure mode of an opposition that withdraws from institutions without a strategy to replace them.