Archaeologists Just Found the Oldest Library on the Iberian Peninsula— Hiding in a Mithras Sanctuary | Ancient Origins

Archaeologists in Spain have uncovered what may be the oldest library on the Iberian Peninsula, hidden within a sanctuary dedicated to Mithras and filled with ancient texts that shed new light on Roman Hispania. A room at a Roman villa in Spain was identified as a Mithras sanctuary for decades. New research says it was actually a 4th-century library.