n.a former communist country in eastern Europe and northern Asia; established in 1922; included Russia and 14 other soviet socialist republics (Ukraine and Byelorussia and others); officially dissolved 31 December 1991
The 1922 Treaty on the formation of the UnionofSovietSocialistRepublics will be deemed to have lapsed as of the same date for the republics which have signed it.
This Memorandum concludes that, following the extinction of the UnionofSovietSocialistRepublics, the Anti-Ballistic Missile Treaty of 1972 did not become a treaty between the United States and the Russian Federation.