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| Saint Sebastian Interceding for the Plague Stricken, Josse Lieferinxe, 1497–1499, The Walters Art Museum |
Archbishop San Carlo Borromeo (1538-1584) took over where the Milanese officials left off, marshalling the clergy to maintain the city’s temporal and spiritual welfare. He organised the cleaning of homes and streets, and ordered the culling of dogs and cats; he conducted charitable relief work, selling his possessions, spending his own wealth, and borrowing money when his personal funds ran low; and, dismissing concerns over infection, he made visitations across the diocese and even personally ministered to the sick.
One of Borromeo’s most frequently noted pastoral acts during the crisis was the organisation of three general processions in October 1576. Each of the processions began at the city’s cathedral, with the first terminating at the Basilica of Sant’Ambrogio, the second at San Lorenzo, and the third at Santa Maria presso San Celso. With the added incentive of a plenary indulgence, the processions attracted an enormous number of participants, including any noblemen and civic officials who were left, ordinary citizens, and at least a thousand flagellants in tow. Borromeo wore a noose around his neck and walked barefoot to evoke the image of a condemned criminal. During the first procession, he reportedly cut his foot on an iron railing, but instead of tending to the wound, he walked on, letting his blood flow freely for all to see. Witnesses to the wound were all moved to compassion and cried out, ‘Miserere! Miserere!’ The third and final procession was to be the most solemn. Borromeo bid the parochial clergy to bring out their most prized relics in order to both move the masses to devotion and appeal to the saints. He himself carried the prized Milanese relic from the Cathedral, the Holy Nail, attached to a cross. At the close of this procession, Borromeo returned to the Cathedral and began a forty-hour devotion.
Pellegrino Tibaldi worked on the church until 1587. Construction continued under Pietro Antonio Barca and Fabio Mangone. The round Mannerist building, whose design was likely influenced by Rome’s Pantheon and which transgressed the architectural norms of the Counter Reformation, was finally finished in the seventeenth century. Reflecting its ambiguity as both a church and a civic structure, the building is known as La Chiesa di San Sebastiano as well as Il Tempio Civico di San Sebastiano.

