The History of English Poetry favourable response to the first edition. "The Gentleman's Magazine", reviewing the first volume, called it "this capital historical piece", and had no doubt that "every connoisseur will be curious to view the original, and impatient for the completion of it". Of the third volume the same magazine wrote that it "does equal credit to Mr. Warton's taste, judgment, and erudition, and makes us impatiently desirous of more". Edward Gibbon mentioned the "History" in "The Decline and Fall of the Roman Empire", saying it had been accomplished "with the taste of a poet and the minute diligence of an antiquarian". But
Historiography of the fall of the Western Roman Empire the Huns as deeply significant in the fall of the Western Empire long before they themselves became a military threat to the Empire. He postulates that the Hunnic expansion caused unprecedented immigration in 376 and 406 by barbarian groupings who had become significantly more politically and militarily capable than in previous eras. This impacted an empire already at maximum stretch due to the Sassanid pressure. Essentially he argues that the external pressures of 376–470 could have brought the Western Empire down at any point in its history. He disputes Gibbon's contention that Christianity and moral decay led to the decline.