Case file · Apparition / miracle
Archangel over Hadrian's tomb
During the plague of 590 Pope Gregory the Great led a procession and saw the archangel Michael sheathing his sword atop Hadrian's mausoleum, a sign the plague would end. The building became Castel Sant'Angelo.
590 CE · 41.90, 12.47 · status: legend
The sceptical view
The vision is first told in later medieval sources such as the Golden Legend.