From Human Dawn to Politics: Illustrated Science

Ice Ages have evidently played an important role in the development of humanity, since the last 2 million years of the history of humanity occurred during the modern Ice Age Epoch, the Pleistocene Epoch. For 85% of this time glaciation conditions occurred. What we refer to as 'history', spans only the brief period of the current interglacial. The period began with building of the Giza Pyramids 12,800 years ago, as some researchers say. The extremely accurate alignment of the pyramids confir...