In this timeline, China has been the strongest country in the world since 4117(1420 AD), when the Emperor gives the power to a new department, which is like a parliament.
The start of a stronger China[]
Since the establishment of the National Council, China is more prosperous than before. The emperor lost his power; most power is in the National Council.
Expansion of China[]
During the Song Dynasty, China were starting expansion into Mongolia, OTL Tibet.
Chronological Table for the TL[]
152000 BC: People starting living in the Yangtze River.