The European potato failure was a food crisis caused by potato blight that struck Northern and Western Europe in the mid-1840s. The time is also known as the Hungry Forties . While the crisis produced excess mortality and suffering across the affected areas, particularly affected were the Scottish Highlands , with the Highland Potato Famine and, even more harshly, Ireland , which experienced the Great Famine . Extensive emigration was a result of these famines, but even so large numbers in Ireland died as they had almost no access to other staple food sources.
6-529: In 2013, researchers used DNA sequencing techniques to decode DNA from the pathogen in potato samples from 1845 stored in museums, and compare them to modern genetic types. The results indicated the "strain was different from all the modern strains analysed". After the blight, strains originating in the Chiloé Archipelago replaced earlier potatoes of Peruvian origin in Europe. The effect of
12-554: A population affected by famine of no more than 200,000), many assisted by landlords and the Highland and Island Emigration Society , mainly to North America and Australia , this forming part of the second phase of the Highland Clearances . The global consequence of this was the creation of a substantial Irish diaspora . The widespread hunger and starvation is commonly thought to be a cause of political changes during
18-426: A result of famine-like conditions. Aside from death from starvation and famine diseases, suffering came in other forms. While the demographic impact of famines is immediately visible in mortality, longer-term declines of fertility and natality can also dramatically affect population. In Ireland births fell by a third, resulting in about 0.5 million "lost lives". Declines elsewhere were lower: Flanders lost 20–30%,
24-733: The Netherlands about 10–20%, and Prussia about 12%. Emigration to escape the famine centred mainly on Ireland and the Scottish Highlands . Elsewhere in the United Kingdom and on the continent , conditions were not so harsh as to completely eradicate the basics of survival so as to require mass migration of the sort experienced in Ireland and Scotland. Over 16,500 emigrated from the Scottish Highlands (out of
30-749: The crisis on Ireland is incomparable to all other places, causing one million deaths, up to two million refugees , and spurring a century-long population decline . Excluding Ireland, the death toll from the crisis is estimated to be in the region of 100,000 people. Of this, Belgium and Prussia account for most of the deaths, with 40,000–50,000 estimated to have died in Belgium, with Flanders particularly affected, and about 42,000 estimated to have perished in Prussia. The remainder of deaths occurred mainly in France , where 10,000 people are estimated to have died as
36-468: The mid 19th century. The Revolutions of 1848 saw widespread dissatisfaction among European peasants who saw a decline in their standard of living and so, along with other reasons, led many to join revolutions in various countries. Similarly, in Ireland, the potato famine saw a rise in Irish nationalism, exemplified in the 1848 Young Irelander Rebellion , again partly caused by discontentedness with hunger and
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