Blood Relic

The Blood of San Gennaro

Two vials of dried blood attributed to Saint Januarius (San Gennaro), the patron saint of Naples. The blood reportedly liquefies three times a year during special ceremonies.

Naples, Italy
Overview

The Blood of San Gennaro, preserved in two ancient vials in Naples Cathedral, is revered as a miraculous relic containing the dried blood of Saint Januarius, martyred in the 4th century. Its extraordinary liquefaction, documented since 1389 and occurring multiple times annually, is a profound spiritual event for the faithful, symbolizing divine favor and the enduring intercession of their patron saint. This unique phenomenon continues to inspire devotion and wonder, connecting generations to the sanctity of San Gennaro.

History & Provenance

The blood has been kept in Naples Cathedral since at least the 14th century. The liquefaction miracle has been documented since 1389. The blood liquefies on the saint's feast day (September 19), the Saturday before the first Sunday of May, and December 16.

Where to Visit

Naples Cathedral (Duomo di Napoli)

Naples, Italy

Open daily. Liquefaction ceremonies on September 19, first Saturday of May, and December 16.

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Pilgrim Voices

Testimonies, experiences, and reviews from our community

Pilgrim ExperienceVisited February 2024

My visit to The Blood of San Gennaro

The relic of The Blood of San Gennaro in Naples is housed in a stunning church. What moved me most was seeing other pilgrims there, some who had traveled even farther than I had. We are all connected by this shared faith.

February 20, 2026

Pilgrim ExperienceVisited October 2025

My visit to The Blood of San Gennaro

I traveled to Naples specifically to see the relic of The Blood of San Gennaro. The church was beautiful, and the relic is displayed with great reverence. I prayed for healing for a family member and felt a deep sense of peace afterward.

November 1, 2024