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Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....
Timeline of Events
1895
5.7.1895
In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector — a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
1917
12.20.1917
Cheka, the first Soviet secret police, is founded.
1918
2.14.1918
The Soviet Union adopts the Gregorian calendar (on 1 February according to the Julian calendar).
1920
4.28.1920
Azerbaijan is added to the Soviet Union.
10.14.1920
Part of Petsamo Province is ceded by the Soviet Union to Finland.
1921
3.18.1921
The second Peace of Riga between Poland and Soviet Union.
1922
4.16.1922
The Treaty of Rapallo, pursuant to which Germany and the Soviet Union re-establish diplomatic relations, is signed.
12.30.1922
1924
2.1.1924
The United Kingdom recognizes the USSR.
5.31.1924
The Soviet Union signs an agreement with the Peking government, referring to Outer Mongolia as an "integral part of the Republic of China", whose "sovereignty" therein the Soviet Union promises to respect.
5.31.1924
The Soviet Union signs an agreement with the Peking government, referring to Outer Mongolia as an "integral part of the Republic of China", whose "sovereignty" therein the Soviet Union promises to respect.
8.4.1924
Diplomatic relations between Mexico and the Soviet Union are established.
8.28.1924
The Georgian opposition stages the August Uprising against the Soviet Union.
10.27.1924
The Uzbek SSR is founded in the Soviet Union.
1925
2.25.1925
Diplomatic relations between Japan and the Soviet Union are established.
6.16.1925
The most famous Young Pioneer camp of the USSR, Artek, is established.
11.6.1925
Secret agent Sidney Reilly is executed by the OGPU, the secret police of the Soviet Union.
1926
4.24.1926
The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
1927
8.19.1927
Metropolitan Sergius proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
11.12.1927
Leon Trotsky is expelled from the Soviet Communist Party, leaving Joseph Stalin in undisputed control of the Soviet Union.
1928
10.1.1928
The Soviet Union introduces its First Five-Year Plan.
1929
1.31.1929
The Soviet Union exiles Leon Trotsky.
7.20.1929
Soviet troops attempt to cross the Amur River into Manchuria near Blagoveschensk as tensions mount between the Soviet Union and the Republic of China.
7.20.1929
Soviet troops attempt to cross the Amur River into Manchuria near Blagoveschensk as tensions mount between the Soviet Union and the Republic of China.
1931
3.11.1931
''Ready for Labour and Defence of the USSR'', abbreviated as ''GTO'', is introduced in the Soviet Union.
8.24.1931
France and the Soviet Union sign a neutrality/no attack treaty.
8.28.1931
France and Soviet Union sign a treaty of non-aggression.
1933
7.28.1933
Diplomatic relations between the Soviet Union and Spain are established.
9.3.1933
Yevgeniy Abalakov is the first man to reach the highest point in the Soviet Union, Communism Peak (now called Ismoil Somoni Peak and situated in Tajikistan) (7495 m).
11.17.1933
United States recognizes Soviet Union.
1934
1.13.1934
The Candidate of Science degree is established in the USSR.
2.13.1934
The Soviet steamship ''Cheliuskin'' sinks in the Arctic Ocean.
12.1.1934
In the Soviet Union, Politburo member Sergei Kirov is shot dead by Leonid Nikolayev at the Communist Party headquarters in Leningrad.
1935
6.25.1935
Diplomatic relations between the Soviet Union and Colombia are established.
7.24.1935
The world's first children's railway opens in Tbilisi, USSR.
12.28.1935
''Pravda'' publishes a letter by Pavel Postyshev, who revives New Year tree tradition in the Soviet Union.
1936
11.25.1936
In Berlin, Germany and Japan sign the Anti-Comintern Pact, agreeing to consult on measures "to safeguard their common interests" in the case of an unprovoked attack by the Soviet Union against either nation. The pact is renewed on the same day five years later with additional signatories.
12.5.1936
The Soviet Union adopts a new constitution and the Kirghiz Soviet Socialist Republic is established as a full Union Republic of the USSR.
12.5.1936
The Soviet Union adopts a new constitution and the Kirghiz Soviet Socialist Republic is established as a full Union Republic of the USSR.
1937
6.11.1937
Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.