You could have the Jin Dynasty stick around in Southern China for longer and successive dynasties would become an alt Southern Song.
The north would remain fragmented or be united under short lived dynasties until Central Asian nomads conquer the north and partially assimilate. They would...
Could you give us a list of the CS and US Presidents and/or do posts about the elections in each county?
Could you also explain, even briefly, some of the foreign events such as shy Germany took more of Alscase-Lorraine than OTL