Volcanoes Helped Violent Revolts Erupt in Ancient Egypt During the Ptolemaic Period, fluctuations in Nile flooding triggered by eruptions may have led to violent uprisings, researchers report. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Life on 'Earth's cousin'? Planet 1,400 light years away 'really could harbour life'Trilobites: That’s Not Algae Swirling on the Beach. Those Are Green Worms.Perseids Meteor Shower: When are the Perseids this month? How to watch them on August 12Heatwave warning: Soaring temperatures to kill tens of thousands in the futureBlue diamonds form 400 miles beneath the Earth's surface, research showsEclipse 2018: When is the next lunar eclipse? Solar and lunar eclipse difference explained