This is a new thread where we shall discuss about various ancient, medieval and modern human civilizations which have paved the way for us to be in this stage. The ancient Greek, Roman, Egyptian, Chinese, Indian, and Mesoamerican and many more civilizations are quite fascinating and intriguing to know and read about. For now, I have just included a pic related to this. I would continue this thread in the coming days. pic source: http://www.crystalinks.com/ancient.html