20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 b1 b2 b3 b4 b5 b6
.*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..
<+
民國 (Republic, 1912-)
+---
清---+ (Qing/Ch'ing, 1616-1911)
+---
明---+ (Ming, 1368-1644)
+
元+ (Yuan, 1207-1367)
+
金+ (Jin/Chin/Juchen, 1115-1234)
+-
西夏+ (Western Xia/Hsia, 1032-1227)
+-
遼--+ (Liao, 907-1125)
+--
宋---+ (Song/Sung, 960-1279)
++
五代十國 (Five Dynasties/Ten Kingdoms,902-979)
+---
唐---+ (Tang/T'ang, 618-907)
(Sui, 581-618) ++
隋(Southern/Northern Dynasties,386-589) +-----+
南北朝(Sixteen Kingdoms, 304-439) +----+
五胡十六國(Jin/Chin, 265-420) +-
晉-+
(Three Kingdoms, 220-280) ++
三國(Han, bc206-220) +---
漢------+
(Qin/Ch'in, bc248-bc207) ++
秦(Zhou/Chou, bc1121-bc249) +-----
周---->
.*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..*..
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details:
http://133.1.96.43/~seke/tsaou/romanize/eraname.html