Archaeologists have unearthed a 3,300-year-old clay tablet depicting a catastrophic foreign invasion of the Hittite Empire in Büklükale, about 100 km from Turkey’s capital Ankara. A translation of the tablet’s cuneiform text indicates that the invasion occurred during a Hittite civil war, presumably in an attempt to support one of the fighting factions. Previously, only broken clay tablets had been found in the excavations at Büklükale, but this one is in almost perfect condition. Based on the typology and distribution of the collected pottery shards, Büklükale is thought to be a single-period city belonging to the Hittite Empire Period and...