Hattusa was one of many cities in the Near East and the eastern Mediterranean—including Ugarit, Troy, Knossos and Mycenae—that were destroyed toward the end of the second millennium B.C. See the following articles in Archaeology Odyssey, September/October 2001: William H. Stiebing, Jr., “When Civilization Collapsed: Death of the Bronze Age”; and Amos Nur and Eric H. Cline, “What Triggered the Collapse? Earthquake Storms.”