<Tr> <Th> History of France </Th> </Tr> <Tr> <Td> Prehistory (show) <Ul> <Li> Palaeolithic </Li> <Li> Mesolithic </Li> <Li> Neolithic </Li> <Li> Copper Age </Li> <Li> Bronze Age </Li> <Li> Iron Age </Li> </Ul> </Td> </Tr> <Ul> <Li> Palaeolithic </Li> <Li> Mesolithic </Li> <Li> Neolithic </Li> <Li> Copper Age </Li> <Li> Bronze Age </Li> <Li> Iron Age </Li> </Ul> <Tr> <Td> Ancient (show) <Table> <Tr> <Td> Greek colonies </Td> <Td> </Td> </Tr> <Tr> <Td> Celtic Gaul </Td> <Td> until 50 BC </Td> </Tr> <Tr> <Td> Roman Gaul </Td> <Td> 50 BC--486 AD </Td> </Tr> </Table> </Td> </Tr>

The revolution in france at the end of the 18th century was responsible for