Palazzo Antinori enters the narrative not as the scene of an identified perpetrator or an established political operation, but as a landmark beside the bomb that helped mark Florence’s fracture in February 1921. The uncertainty around who set it off contrasts with the certainty of its aftermath: fear, armed repression, and a city divided across the Arno.

Setting and the February Explosion

On February 27, the word spread that an assembly would take place at 3:00 p.m. The account places the bomb at the corner of Palazzo Antinori, where its detonation was heard across the city center. A patriotic procession was nearby, and the explosion struck as its leader reached San Gaetano. The location fixes the blast within Florence’s civic streets, rather than within the palace itself; the evidence does not suggest that Palazzo Antinori or its occupants were involved.

The identity of the bomber remained unknown. Reports offered incompatible descriptions and suspicions, while no one saw the person who threw the bomb. The narrative records how quickly uncertainty was overtaken by accusation: the blast was blamed on the familiar enemy, even as competing accounts named different suspects. Palazzo Antinori thus anchors an event whose political consequences were immediate but whose responsibility could not be established from the scene.

From Landmark to Fault Line

The explosion did not stand alone. After Spartaco Lavagnini was murdered, Florence awoke divided along the rift drawn by the bomb at Palazzo Antinori and his killing. That pairing gives the palace’s corner a significance beyond the instant of detonation: it becomes one end of a line of rupture joining political violence to the city’s broader class conflict.

During the night, working-class neighborhoods barricaded themselves in fear of attack, while the army deployed on the other side of the Arno amid fears of an uprising. The following day, workers stopped trains and trams, and public services and shops closed. Fascist groups later emerged in columns and attempted to enter San Frediano. These developments are not events inside Palazzo Antinori; they show how the blast associated with its corner became part of the story’s account of a city retreating into opposing, defended spaces.

Narrative Significance

The account keeps two facts in tension: the bomb’s location is specified, but its author is not. That distinction matters in a city where the explosion intensified fear and suspicion without resolving who had caused it. Palazzo Antinori functions as a precise urban reference point for the crisis, while the narrative resists treating proximity as proof of responsibility.

Its lasting meaning is therefore spatial and political. The palace’s corner marks the bomb’s place in the city’s geography; the later image of Florence divided by the bomb and Lavagnini’s murder turns that point into a boundary in the narrative of escalating conflict. The site’s significance lies not in any documented action by the palace, but in how a single street-corner explosion became bound to the city’s wider fracture.