Black death

Medieval Europe was powerless against disease. Its origin was attributed to supernatural phenomena.

An excerpt from the article 15 facts about Black death

It was theorized that "bad air," contaminated by the conjunction of planets, was responsible for the plague. Muslim scholars, on the other hand, claimed that the pandemic was a "martyrdom and mercy" from God, guaranteeing the faithful a place in paradise, although it was considered a punishment for infidels.