"Destruction under the Mongol Empire quantifies death toll and infrastructure damage ensuing from the 13th century Mongol conquests. Historian Wei-chieh Tsai has written, \"The Mongol conquests shook Eurasia and were of significant influence in world history.\""@en . "Destruction under the Mongol Empire"@en . . . . . . "Destruction under the Mongol Empire quantifies death toll and infrastructure damage ensuing from the 13th century Mongol conquests. Historian Wei-chieh Tsai has written, \"The Mongol conquests shook Eurasia and were of significant influence in world history.\" Historians regard the Mongol raids and invasions as some of the deadliest conflicts in human history up through that period. Brian Landers has offered that, \"One empire in particular exceeded any that had gone before, and crossed from Asia into Europe in an orgy of violence and destruction. The Mongols brought terror to Europe on a scale not seen again until the twentieth century.\" Diana Lary contends that the Mongol invasions induced population displacement \"on a scale never seen before,\" particularly in Central Asia and eastern Europe. She adds, \"the impending arrival of the Mongol hordes spread terror and panic.\""@en .