秦

                                    西汉

                               三国时期

                                西晋

                               前秦，东晋

                             周/齐/陈

                                   隋

                                唐

                            辽，北宋

                                 南宋

                                    元

                                   明

                                    清

                               民国

                                中华人民共和国