Gotta love fussy British spelling. I don't think I've ever seen another word in the English language with four vowels in succession.
What archeological evidence will the latest Tsunami leave behind?? And in 1000 years, what will the grant money application say??
The idea of a comet disaster around 540 is more or less believable. The mistake would be in thinking that previous catastrophes including the flood had such relatively small or isolated causes.
Within a hundred years of this disasterous event people from all over the southeast were converging and settling at the Cahokia site in Illinois, a culture which would be ruled by a series of leaders called “great suns,” and a site at which woodhenges would be built to track solar or other events in the sky.