Latest / The Story of Italy: Rome, Renaissance, and the Birth of Modern Europe — Fexingo History / The Pazzi Conspiracy: Murder in Florence Cathedral
Transcript
- Lucas: So, Luna, we've talked a lot about the Medici — their bank, their patronage, their rise to power. But there's one episode that really shows how precarious that power was: the Pazzi Conspiracy of 1478. It was a plot to assassinate Lorenzo de' Medici and his brother Giuliano right inside Florence's cathedral, during Easter Mass. Luna: Wait, inside the Duomo? That's audacious. Lucas: Absolutely audacious. The conspirators were from the Pazzi family, another ancient Florentine banking clan. They were rivals of the Medici, but not just commercial rivals — they felt politically sidelined. And they had powerful backers: Pope Sixtus IV, who was annoyed at Lorenzo for interfering with papal policy, and the Archbishop of Pisa, Francesco Salviati, who wanted to become Archbishop of Florence. Lucas: The plan was to strike during Mass on April 26, 1478, in the cathedral of Santa Maria del Fiore. The signal would be the elevation of the Host. Two priests were hired to kill Lorenzo, while Francesco de' Pazzi and a mercenary named Bernardo Bandini would go after Giuliano. Luna: What went wrong? Lucas: Several things, actually. First, Giuliano didn't show up to Mass on time — he was nursing a bad leg, apparently. So the attackers had to wait and improvise. When he finally arrived, Francesco de' Pazzi and Bandini attacked him brutally. Giuliano was stabbed 19 times and died on the cathedral floor. But the priests who were supposed to kill Lorenzo botched their part — they only managed to wound him in the neck. Lorenzo, realizing what was happening, grabbed a few friends and fled into the sacristy, barricading the door. Luna: So the coup failed because the main target escaped. Lucas: Exactly. Meanwhile, Archbishop Salviati tried to seize the government palace, the Palazzo della Signoria, with a group of armed men. But the Gonfaloniere — the city's chief magistrate — resisted, and the plot collapsed. The Florentine people were outraged. They lynched the conspirators almost immediately. Francesco de' Pazzi was hanged from a window of the Palazzo della Signoria. Salviati was hanged alongside him, still wearing his archbishop's robes. Jacopo de' Pazzi, the head of the family, fled but was captured and killed, his body dragged through the streets. Luna: What a grisly end. Did the Pope retaliate? Lucas: He did. Sixtus IV excommunicated Lorenzo and placed Florence under interdict — basically shutting down all religious services. He even formed a military alliance with the Kingdom of Naples against Florence. But Lorenzo managed to turn the situation around. He sailed to Naples and personally negotiated a peace with King Ferrante, a risky move that worked. The Pope, isolated, eventually lifted the sanctions. Lucas: The conspiracy actually strengthened Medici rule. Lorenzo became immensely popular as the survivor of a murderous plot. He used the aftermath to purge his enemies and consolidate power. The Pazzi family was all but destroyed — their name was erased from public records, their property confiscated. Even their coat of arms was defaced. Luna: I've heard about a Pazzi Chapel in Florence. Is that connected? Lucas: That's a fascinating bit of irony. The Pazzi Chapel, designed by Brunelleschi in the cloister of Santa Croce, was actually commissioned by the Pazzi family before the conspiracy. It's one of the masterpieces of Renaissance architecture. But after the plot, the Medici took it over and completed it as their own. So today, when tourists admire the Pazzi Chapel, they're looking at a monument to the family that tried to kill Lorenzo de' Medici. Luna: And what about the wider repercussions? Did this change how Italian city-states dealt with each other? Lucas: It certainly heightened tensions. The involvement of the Pope set a dangerous precedent — a papal-backed assassination plot in a major Christian city. It also deepened the rivalry between Florence and the Papal States. But it also showed how interconnected Renaissance politics were. The conspiracy involved not just Florence, but Rome, Naples, and even the Sforza in Milan — Girolamo Riario, the Pope's nephew and a key plotter, was married to Caterina Sforza. Luna: So in a way, it was a family affair at the highest level. Lucas: Exactly. The conspiracy reads like a thriller — secret meetings, coded messages, hired killers, and a brutal climax in a cathedral. But it also reveals the fragility of power in Renaissance Italy. Even the most powerful families, like the Medici, were only a knife's edge away from destruction. Lorenzo's survival was partly luck, partly quick thinking. And after that, he never really trusted anyone outside his inner circle again. Luna: I suppose that explains the fortress-like palaces the Medici built later. Lucas: Precisely. The Medici became more cautious, more guarded. They built up their security, and Lorenzo himself took on a more princely role, shaping Florence's foreign policy directly. The conspiracy was a turning point — it marks the moment when the Medici shifted from being first among equals to something like a ruling dynasty. And it all started with blood on the floor of a cathedral.