263 Wei conquers Shu.
265 Sima Yan and the (Western) Jin topple Wei.
280 The Jin extinguish Wu, and China is again, briefly, united.
Das Tarimbecken, Wikipedia
This map was created by filling in the 260 AD map. No research was done yet to establish whether the boundaries changed when the Western Jin occupied the land formerly occupied by Shu, Chen and Wu states.