The Dark Ages, Were Thay Darker Than We Imagined?
"Concluding Thoughts Ben Rudder, an anthropologist who reviewed in New Scientist magazine a recently published book by Baillie on the subject, wrote :"
"If Baillie is right, history has overlooked probably the single most important explanation for the intermittent progress of civilisation."
It had to be Comets or some such as in those days as the Democrat Party had yet to be spawned.
Celtic Sea: http://visibleearth.nasa.gov/data/ev54/ev5435_S1998140125834_md.jpg