Events with tag - Eastern Borderlands

September 17, 1939

Red Army Invasion of Poland

On September 17, 1939, the Red Army began its invasion of Poland, implementing the secret provisions of the Molotov-Ribbentrop Pact. The attack was launched without a declaration of war while the Polish army was fighting the Germans in the west. The Soviet aggression led to the occupation of eastern Poland, mass deportations of the population, and crimes against Polish officers and intelligentsia.

September 17, 1939

Soviet occupation of eastern Poland

The Soviet occupation of eastern territories of the Second Polish Republic began on September 17, 1939, when the Red Army crossed Poland's borders. This event was a direct consequence of the secret protocol of the Molotov-Ribbentrop Pact. The invasion led to mass deportations, repressions, and fundamental territorial and demographic changes in Poland.