<Tr> <Th> History of Egypt </Th> </Tr> <Tr> <Td> <Table> <Tr> <Td> Prehistoric Egypt </Td> <Td> pre--3100 BC </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td> Prehistoric Egypt </Td> <Td> pre--3100 BC </Td> </Tr> </Table> <Tr> <Td> Prehistoric Egypt </Td> <Td> pre--3100 BC </Td> </Tr>

When did the egyptian civilization began and end