April 5, 1945 (, Yiyou February 23), the Soviet Notice abolished the Soviet-Japanese Neutrality Pact.

1945, Germany and Japan have steadily lost on the battlefield. In view of this, the Soviet Union on April 5, 1945 unilaterally denounced the Soviet-Japanese Neutrality Pact, and declared war on Japan on August 8. Soviet establishment of the Far East Soviet Marshal Vasilevsky is the commander-in-chief of the General Command launched the Battle of the Far East. September 2, Japan formally signed by surrender, the Soviets wiped out the Japanese Imperial Army, the Manchukuo army pseudo MENG Jun about 700,000 people. In 1940, Hitler stepped up ready eastward attack, the western Soviet Union is seriously threatened. In order to concentrate on dealing with Germany, the Soviet Union urgently needs to stabilize Japan, so as not to fall into the plight of the east and west line combat. Have been identified at this time 'the southward advance principles' in Japan, is also eager to adjust the Japan-Soviet relations. After the two sides through negotiations and then on April 13, 1941 in Moscow signed the Soviet-Japanese Neutrality Pact. "The main content of the Soviet-Japanese Neutrality Pact"? 'Contracting Parties undertake to maintain peaceful and friendly relations between them, and mutual respect for territorial integrity and inviolability of the other Contracting Party'; 'If a Contracting Party to become the third party when the object of the war of one country or a few countries, the other Contracting Party in the entire course of the conflict will remain neutral '. The treaty is valid for five years, when the Soviet Union and Japan signed a neutrality treaty, but also at the same time issued a statement claiming that 'the Soviet Union to ensure respect for the territorial integrity and inviolability of Manchukuo, Japan pledged to respect the territorial integrity and inviolability of the Mongolian People's Republic'. The Soviet government 'Manchukuo' statement, no doubt, is to sacrifice the interests of China. However, the Communist parties from the overall situation in mind, is still with the Soviet Union to maintain friendly. (Lssdjt.cn) between the Soviet Union and Japan signed the Neutrality Treaty, also did not carry out in the end. Pseudo 'Manchukuo' final Soviet Red Army to overthrow (l $ dj��.��r��)] 'Manchukuo' emperor Pu Yi was also the Soviet prisoners and eventually extradited to China.