Gokturks take control of the Fergana Valley
Chinese gain control over the Gokturks.
Gokturks regain control over the area.
As the power of the Gokturks fall, Chinese forces and various Muslim powers fight for dominance over the area.
Following the Battle of Talas in 751, Chinese groups left the area. Arab, Persian and eventually Turkish Muslims fight for control.
The Samanid Caliphate, which is mostly connected to a Persian ethnic group, gains control over the region.
The Karakahanids, who are a Turkish ethnic group. take control over the Fergana Valley after the Samanid Caliphate falls. There are some internal struggles, but this cultural group remains mostly dominate until 1219.
The Mongols invade in 1219, displacing the already weak governmental system. The Fergana Valley eventually becomes a part of the Mongol Empire.
The Timurid Dynasty is very connected to the Turko-Muslim empire that developed after the Mongol invasion but is a more specific cultural entity connected to Persian groups.
The Shaybanid Dynasty is also a Turko-Muslim entity. This dynasty is more connected to Uzbek heritage and culture.
The Janid Dynasty followed the Shaybanid Dynasty, but descended from different cultural groups, such as the Astrakhan Khanate, while the Shaybanid Dynasty had bigger connections to Uzbek ethnic groups.
Predominately Uzbeks who were part of the Shaybanid dynasty declared independence from the Khanate of Bukhara and set up a state in the eastern part of Fergana Valley.
Soviet Russia takes over the area and creates a large land state named Russian Turkestan.
Soviet Russia creates states to split up resources and therefore power in Turkestan.
Countries are established (Uzbekistan, Kyrgyzstan, and Tajikistan) which split up resources and land in the Fergana Valley.