[Oztrich Boy]

I meant is there a written record of a sixth century impact by a comet to go with the records of crop failures, etc? Since it seems as if a comet impact would be pretty dramatic.

1908 Tunguska. Apart from seismic stations registering the shockwave, the only observations were from local inhabitants. Similar event in isolated region in 6th century, would there be any records?

[Sam Cree]

"Similar event in isolated region in 6th century, would there be any records?"

I agree. It may well not have been directly witnessed, or if it was, there wouldn't have been words to describe it.

[blam]

"1908 Tunguska. Apart from seismic stations registering the shockwave, the only observations were from local inhabitants. "

Londoners reported being able to read newspapers at midnight for a couple days.