History Uncle on Instagram: "The Temple of Mithras in London, also known as the London Mithraeum, is a Roman temple from the 3rd century CE dedicated to the god Mithras, worshipped through secretive rituals in the Roman Empire. It was discovered in 1954 during excavations near the River Walbrook, an area that once lay at the heart of Roman Londinium. The temple’s remains, including altars and sculptures depicting Mithras slaying a bull, reveal the importance of the Mithraic mystery cult among Ro