Summary:Parts of the lower town of Mycenaean Tiryns, Greece, became devastated and buried 3‐5 meters deep during a torrential flood which coincided with a major earthquake at the transition from Late Helladic IIIB2 to Late Helladic IIIC1 (c. 1200 BC). These catastrophes contributed locally to the rapid demise of the Mycenaean civilization which commenced at this chronological boundary. Such a collapse of an early Greek civilization accompanied by a simultaneous earthquake and flood is described by Plato (Timaeus 25D) in the legendary Atlantis account. Plato's report revolves around a war between an ancient Greek civilization and a mighty force abroad, called Atlantis. If the former coincides with Mycenaean Greece, the most obvious candidate for the latter must be Troy. Hence, the thus far inexplicable story of Atlantis might well represent an Egyptian recollection of Troy and the Trojan War, distorted by transmission and translatio