Massive Volcanic Eruptions Linked to Revolts in Ptolemaic Egypt

A Yale University-led study suggests that abrupt shifts in climate caused by massive volcanic eruptions helped to trigger poorly understood revolts — such as the great 20-year Theban revolt — and other political upheaval in Ptolemaic Egypt. Around 245 BC Ptolemy III, ruler of the Ptolemaic Kingdom in Egypt, made a decision that still puzzles many historians — after […]