<Table> <Tr> <Th_colspan="2"> The Persistence of Memory </Th> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Artist </Th> <Td> Salvador Dalí </Td> </Tr> <Tr> <Th> Year </Th> <Td> 1931 (1931) </Td> </Tr> <Tr> <Th> Medium </Th> <Td> Oil on canvas </Td> </Tr> <Tr> <Th> </Th> <Td> 24 cm × 33 cm (9.5 in × 13 in) </Td> </Tr> <Tr> <Th> Location </Th> <Td> Museum of Modern Art, New York City </Td> </Tr> <Tr> <Th> Owner </Th> <Td> Museum of Modern Art </Td> </Tr> </Table> <Tr> <Th_colspan="2"> The Persistence of Memory </Th> </Tr>

When did salvador dali paint the persistence of memory