Soviet–Latvian Mutual Assistance Treaty

The Soviet–Latvian Mutual Assistance Treaty (Russian: Пакт о взаимопомощи между СССР и Латвийской Республикой, Latvian: Savstarpējās palīdzības pakts starp Latviju un PSRS) was a bilateral treaty between the Soviet Union and Latvia, signed in Moscow on October 5, 1939.

After occupying eastern Poland, the Soviets pressured Finland and the Baltic states to conclude mutual assistance treaties.

[2] After four days of negotiations, the Estonians had no choice but to accept naval, air and army bases.

[3] On the morning of 15 June 1940 Soviet NKVD troops carried out an attack on Latvian border posts killing 5 people and taking 37 as hostages.

The next day USSR accused Latvia of violating the mutual assistance treaty and demanded the formation of a new government and allowed entry of an unlimited number of Soviet troops into the country.