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EARTH IN UPHEAVAL
http://www.archive.org/stream/earthupheaval010880mbp/earthupheaval010880mbp_djvu.txt
I recall a text from England, from the very earliest plague years, mid-14th century I suppose, that contained a very odd description of what apparently was a large asteroid passing in very close proximity. It was clearly visible, described as either awesome or fearsome in it’s blackness, and the noise was described as horrifying.
I have no idea where I encountered it, I’ve since lost the bookmark on an older Mac, but do recall reading it very well, since it was so peculiar. I believe this event was actually blamed for the plague outbreak at the time.
I was not looking for this in my research efforts, I was looking for references regarding mass behavior during plague outbreaks (it wasn’t at all pretty, by the way, people sealing babies up in plague houses and letting them starve to death, charming things such as that).