The Soviet–Estonian Non-Aggression Pact was a non-aggression pact, signed between the

Soviet Union The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, it was nominally a federal union of fifteen national ...

and

Estonia Estonia, formally the Republic of Estonia, is a country by the Baltic Sea in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the sea across from Sweden, to the south by Latvia, a ...

on May 4, 1932.League of Nations Treaty Series, Vol. CXXXI, 1932, pp. 297-307.
/ref> It was ratified by Estonia on 29 July 1932 and the Soviet Union 5 August 1932, and entered into force on 18 August 1932 for the period of 3 years. The pact provided the opportunity to be renounced 6 months before expiration or by either Estonia or USSR at any time without notice in the event of an act of aggression by the other party against any third state. If not renounced the pact was to be prolonged each two years for indetermined period. The pact was prolonged until 31 December 1945 on 4 April 1934 and was again reaffirmed on 28 September 1939. The terms of the treaty were: Article 1. Each party guarantees the borders of each other, set by the Treaty of Tartu, and must not infringe upon each other's borders. Article 2. Each party agrees not to form a coalition against one another, form an alliance against one another, or politically or economically embargo each other.

References

1932 in Estonia Treaties of the Soviet Union Treaties of Estonia Treaties concluded in 1932 Non-aggression pacts {{USSR-stub