The Sweating Cenotaph at the Archbasilica San Giovanni in Laterano – Rome, Italy - Atlas Obscura

The Sweating Cenotaph at the Archbasilica San Giovanni in Laterano

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod. 


This former papal palace houses an unusual monument- Pope Sylvester II’s cenotaph (a funeral moment for a person whose remains are entombed elsewhere) that’s said to sweat profusely when the death of a pope is near. If it’s clammy or damp, the death of a cardinal or bishop is immanent. 

Interestingly, Pope Sylvester II has long been associated with the supernatural. His contemporaries (likely amazed by and maybe jealous of his intellect) said he was a sorcerer who built an automaton which acted like an oracle. The automaton told him that if he ever went to Jerusalem he would be taken by the devil. Taking the warning literally, he avoided the Holy Land but was struck dead when he said mass at Santa Croce in Gerusalemme, a basilica just down the street from San Giovanni in Laterano. His remains are still there and an alternate version of the legend says his bones rattle when a pope is about to die.

San Giovanni in Laterano was also the site of the Cadaver Synod in 897 when the rotting corpse of Pope Formosus was dug up and put on trial by Pope Stephen VI. Records show that an earthquake damaged the church during the trial and shortly after it concluded a fire nearly destroyed it completely. These events are usually viewed within the church as a sign of God’s displeasure with the macabre spectacle.

Know Before You Go

The front of the church is accessed near the intersection of Piazza di Porta San Giovanni and Via Emanuele Filiberto. The closest metro stop is S. Giovanni, tram stop is Porta San Giovanni-Carlo Felice.

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