<Tr> <Td_colspan="8"> Qin dynasty 221--206 BC </Td> </Tr> <Tr> <Td_colspan="8"> Han dynasty 206 BC--220 AD </Td> </Tr> <Tr> <Td_colspan="8"> Western Han </Td> </Tr> <Tr> <Td_colspan="8"> Xin dynasty </Td> </Tr>

Where did the song rulers establish their new capital