In 1845, a novel pathogen attacked potato fields across Europe, from Spain to Scandinavia—but only in Ireland were the effects apocalyptic. At least one million Irish people died, and millions more scattered across the globe, emigrating to new countries and continents. Less than fifty years after the union of Ireland with the rest of Great Britain, the newly formed United Kingdom—the most powerful country in the nineteenth-century world—failed millions of its own citizens, leading to decades of poverty, ecological ruin, and collective trauma. How did this happen?

Today’s guest Padraic Scanlan recontextualizes the disaster’s origins, events, and consequences in his new book “Rot: An Imperial History of the Irish Famine.” We situate the Irish Great Famine in a larger history of economic consolidation and exploitation caused by British policies toward Ireland. The blight that decimated the potato plants was biological, but the Famine itself was manmade, caused by the British government’s structures of land ownership, labor, and rent collection. The real tragedy of the Famine wasn’t that the British maliciously intended and propagated starvation, but that their efforts to address the “Irish Question” only exacerbated the problem.

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