Here's one article I could find with quotes from historical documents: https://www.thoughtco.com/dust-veil-environmental-disaster-in-europe-171628 https://www.

Here's one article I could find with quotes from historical documents: https://www.thoughtco.com/dust-veil-environmental-disaster-in-europe-171628 https://www.thoughtco.com/dust-veil-environmental-disaster-i... The wikipedia article also has some additional sources and information: https://en.wikipedia.org/wiki/Extreme_weather_events_of_535%E2%80%93536 https://en.wikipedia.org/wiki/Extreme_weather_events_of_535%... The reference sections at the bottom of each of those pages are full with further sources that may help answer your question. As an aside, OP's comment was voted dead. For asking an on-topic question. Seriously HN?