A Warning piece : A poetical thought, or paraphrase, occasioned by that stupendous and unnatural darkness, or interposing cloud, which obscured the light of the sun on the 19th day of May in the present year 1780, which happened about the same time of the year, and on the self-same day of the week, as did the supernatural eclipse of the sun, at the crucifixion of the Messiah: a circumstance worthy of notice.