<Tr> <Td> 10,000 years </Td> <Td> Flandrian interglacial </Td> <Td> Flandriense </Td> <Td> Mellahiense </Td> <Td> Versiliense </Td> <Td> Flandrian interglacial </Td> </Tr> <Tr> <Td> 80,000 years </Td> <Td> Wisconsin </Td> <Td> Devensiense </Td> <Td> Regresión </Td> <Td> Regresión </Td> <Td> Wisconsin Stage </Td> </Tr> <Tr> <Td> 140,000 years </Td> <Td> Sangamoniense </Td> <Td> Ipswichiense </Td> <Td> Ouljiense </Td> <Td> Tirreniense II y III </Td> <Td> Eemian Stage </Td> </Tr> <Tr> <Td> 200,000 years </Td> <Td> Illinois </Td> <Td> Wolstoniense </Td> <Td> Regresión </Td> <Td> Regresión </Td> <Td> Wolstonian Stage </Td> </Tr>

What was the most important discovery of the paleolithic age