<Table> <Tr> <Th_colspan="2"> Great Famine an Gorta Mór </Th> </Tr> <Tr> <Td_colspan="2"> Scene at Skibbereen during the Great Famine, by Cork artist James Mahony (1810--1879), commissioned by The Illustrated London News, 1847 . </Td> </Tr> <Tr> <Th> Country </Th> <Td> United Kingdom of Great Britain and Ireland </Td> </Tr> <Tr> <Th> Location </Th> <Td> Ireland </Td> </Tr> <Tr> <Th> Period </Th> <Td> 1845--1852 </Td> </Tr> <Tr> <Th> Total deaths </Th> <Td> 1 million </Td> </Tr> <Tr> <Th> Observations </Th> <Td> Policy failure, potato blight, Corn Laws </Td> </Tr> <Tr> <Th> Relief </Th> <Td> see below </Td> </Tr> <Tr> <Th> Impact on demographics </Th> <Td> Population fell by 20--25% due to mortality and emigration </Td> </Tr> <Tr> <Th> Consequences </Th> <Td> Permanent change in the country's demographic, political and cultural landscape </Td> </Tr> <Tr> <Th> Website </Th> <Td> See List of memorials to the Great Famine </Td> </Tr> <Tr> <Th> Preceded by </Th> <Td> Irish Famine (1740--41) (Bliain an Áir) </Td> </Tr> <Tr> <Th> Succeeded by </Th> <Td> Irish Famine, 1879 (An Gorta Beag) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Great Famine an Gorta Mór </Th> </Tr>

When did the famine start and end in ireland
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