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Baltic–Soviet relations

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Through Soviet Union, Nazi Germany and De facto and de jure

In 1939, the Soviet Union and Nazi Germany entered the Molotov–Ribbentrop Pact, which included secret protocols dividing eastern Europe into "spheres of influence", with Latvia and Estonia falling within the Soviets' sphere. A later amendment to the secret protocols placed Lithuania within the Soviets' sphere. In June 1940, the Soviet Union invaded the Baltic countries and annexed those countries as the Lithuanian Soviet Socialist Republic, Estonian Soviet Socialist Republic and Latvian Soviet Socialist Republic. In 1941, as part of Operation Barbarossa, Germany invaded the Baltic countries, subsequently administered under Germany's Ostland until 1944. In 1944, the Soviet Union liberated the Baltic states from Nazi Germany.

The territories of Baltic states remained under Soviet control as Soviet Socialist Republics until 1991. A majority of Western world governments did not recognise the Soviet annexations of the Baltic states de jure, though some countries did recognize them de facto. In July 1989, following the dramatic events in East Germany, the Supreme Soviets of the Baltic countries stated their intention to restore full independence. In 1991, the Baltic countries reclaimed independence and restored their sovereignty upon the dissolution of the Soviet Union.

Russian Revolution and treaties affecting USSR–Baltic relations

Bolsheviks took power following the Russian Revolution of 1917. After the Baltic states proclaimed independence following the signing of the Armistice, Bolshevist Russia invaded at the end of 1918. Известия (Izvestia) published in its 25 December 1918 issue that "Estonia, Latvia, and Lithuania are directly on the road from Russia to Western Europe and therefore a hindrance to our revolutions. ... This separating wall has to be destroyed." Bolshevist Russia, however, did not gain control of the Baltics and in 1920 concluded peace treaties with all three states.

Peace treaties

  • Estonia, Treaty of Tartu on 2 February 1920
  • Lithuania, Soviet–Lithuanian Peace Treaty on 12 July 1920
  • Latvia, Treaty of Riga on 11 August 1920

In these treaties, Bolshevist Russia renounced "for eternity" all sovereign rights over these three peoples and territories which formerly belonged to Russia. In 1922, the Russian SFSR, Ukraine SSR, Byelorussian SSR and Transcaucasian SFSR were officially merged as republics creating the Union of Soviet Socialist Republics, or Soviet Union.

Non-aggression treaties

Subsequently, at the initiative of the Soviet Union, additional non-aggression treaties were concluded with all three Baltic States:

  • Lithuania, on 28 September 1926
  • Latvia, on 5 February 1932
  • Estonia, on 4 May 1932

The contracting parties undertook to refrain from acts of aggression against one another, and from any acts of violence directed against the territorial integrity and inviolability or the political independence of the other contracting party. Furthermore, they agreed to submit all disputes regardless of origin which could not be settled diplomatically to a formal conciliation in a joint committee.

Kellogg-Briand Pact and Litvinov's Pact

On 27 August 1928 the Kellogg-Briand Pact renouncing war as an instrument of national policy was adopted by the United States, Germany, Belgium, France, Great Britain, India, Italy, Japan, Poland, and the Czechoslovak Republic. Following this adoption, the Soviet Union signed a protocol confirming adherence to the terms of the Pact with its neighbors: Estonia, Latvia, Poland, and Romania on 9 February 1929. (See also Litvinov's Pact). Lithuania declared its adherence to the pact and protocol soon thereafter, on 5 April 1929. In signing, the contracting parties agreed:

  • to condemn war as a recourse to solving conflict and to renounce it as an instrument of policy, and
  • that all conflicts and disputes be settled only by peaceful means.

With this confirmation of adherence to these protocols (while not yet having ratified the Pact) and associated filings of instruments of adherence to the Pact, Estonia, Latvia, Lithuania and the USSR (listed as Russia) became signatories to the Kellogg-Briand Pact itself the day it came into effect, on 24 Jul 1929.

The Convention for the Definition of Aggression

On 3 July 1933, for the first time in history, aggression was defined in a binding treaty signed at the Soviet Embassy in London by the USSR and among others, Baltic countries. Article II defines forms of aggression "There shall be recognized as an aggressor that State which shall be the first to have committed one of the following actions:

  • First—a declaration of war on another State.
  • Second—invasion by armed forces of the territory of another State even without a declaration of war.
  • Third—attack by its land, sea or air forces, even without declaration of war upon the territory, on the vessels or flying machines of another State.
  • Fourth—a naval blockade of coasts or ports of another State.
  • Fifth—support accorded armed bands which are organized on its territory and which shall have invaded the territory of another State; or refusal, in spite of the demand of the invaded State, to take on its own territory all steps in its power to deprive the bandits aforesaid of all aid or protection."

The Convention for the Definition of Aggression Article II then states that "no political, military, economic or other considerations may serve as an excuse or justification for the aggression referred to in Article II." And while the annex to Article III lists conceivable reasons for intervention in a neighboring state, it also stipulates that "the High Contracting Parties further agree to recognize that the present convention "can never legitimate any violations of International Law that may be implied in the circumstances comprised in the above list."

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