Former Liang
State · 324–377 CE · at its largest around 373 CE
Sixteen Kingdoms state ruled by the Han Chinese Zhang family from Guzang in the Gansu corridor, conquered by Former Qin.
On its lands while it lasted
- Mogao Caves (c. 366 CE): Buddhist cave temples near Dunhuang created from the 4th to 14th centuries, with thousands of square metres of murals.
More on Wikipedia.