Ring around the rosey, ...
"Many have associated the poem with the Great Plague of London in 1665, or with earlier outbreaks of bubonic plague in England. ...
"Folklore scholars regard the theory as baseless for several reasons: ..."
Sorry, the Great Plague of London in 1665 was the same plague as the Black Death, and scholars have traditionally associated the rhyme with this event, no matter what the revisionists over at Wikipedia might say. Even if Wikipedia is correct, it does not at all affect the historical truth of the plague and peoples’ attitudes to and experience of it.