The Uzbek SSR is founded in the Soviet Union.

The Uzbek Soviet Socialist Republic, also known as Soviet Uzbekistan, the Uzbek SSR, UzSSR, or simply Uzbekistan and rarely Uzbekia, was a union republic of the Soviet Union. It was governed by the Uzbek branch of the Soviet Communist Party, the legal political party, from 1925 until 1990. From 1990 to 1991, it was a sovereign part of the Soviet Union with its own legislation.