Events with tag - September 17

September 17, 1939

Soviet Invasion of Poland

On September 17, 1939, the Soviet Union, breaking existing international treaties, launched a military invasion of Poland. The attack was the implementation of the secret protocol of the Ribbentrop-Molotov Pact and occurred when Poland was fighting a desperate battle against Nazi Germany. About 600,000 Red Army soldiers, supported by 4,700 tanks and 3,300 aircraft, crossed Poland's eastern border, beginning a period of Soviet occupation and mass repression against civilians.

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

Red Army Invasion of Poland

On September 17, 1939, the Red Army crossed Poland's borders, implementing the secret provisions of the Molotov-Ribbentrop Pact. This event, along with the subsequent Soviet troops' entry in 1944, fundamentally changed Poland's fate, leading to the installation of communist rule and significant territorial changes after World War II.

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.