# Creation of the USSR (1922)

URL: https://history-russia.com/timeline/1922-creation-of-the-ussr
Categories: main-event

The Union of Soviet Socialist Republics was formed by treaty between the Russian SFSR, Ukrainian SSR, Byelorussian SSR and Transcaucasian SFSR. The first Soviet constitution was adopted in January 1924. The USSR eventually comprised 15 union republics. The Soviet Union existed for 69 years.

## Why it matters
The Soviet Union existed for 69 years.

Ruler at the time: [Vladimir Lenin](https://history-russia.com/rulers/vladimir-lenin)

## Sources
- [Wikipedia — Treaty on the Creation of the Union of Soviet Socialist Republics](https://en.wikipedia.org/wiki/Treaty_on_the_Creation_of_the_Union_of_Soviet_Socialist_Republics)
- [Wikipedia — Soviet Union](https://en.wikipedia.org/wiki/Soviet_Union)
- [Wikipedia — Russian Revolution](https://en.wikipedia.org/wiki/Russian_Revolution)
- [Encyclopaedia Britannica topic lookup — Creation of the USSR](https://www.britannica.com/search?query=Creation+of+the+USSR)
- [Wikipedia — Timeline of Russian history](https://en.wikipedia.org/wiki/Timeline_of_Russian_history)