In September 1939, the joint invasion of Poland by National Socialist Germany and its defacto ally Soviet Russia, defeated the Polish Army in 36 days. (Not too bad considering the much better equipped, more numerous, and better positioned French and British armies only lasted 45 days) Hundreds of thousands of Polish soldiers, sailors, and civilians fled to Western Allied countries but millions did not. The Soviet authorities emptied the jails, put the communist political prisoners in charge, and encouraged the rest to seek revenge. Because the Soviets disarmed the populace, “axe murder” became the most common cause of death in eastern Poland for the next three months.
In formal agreement with Nazi Germany on 28 September 1939, Poland was to be erased from history. Stalin’s stated and declared aim was the final destruction of Polish culture. On 10 February 1940, the Soviet Union began the forced exile and ethnic cleansing of Poles in Soviet occupied eastern Poland (Western Belorussia and western Ukraine today). That night, the NKVD (forerunner to the KGB) and Red Army burst into the homes of 139,794 middle and upper class ethnic Poles. (That number is straight from the Soviet archive, the actual number was probably much higher) Service in the pre-war Polish state was deemed a “crime against the revolution”. Captured Polish officers and soldiers were soon joined by thousands of government workers, land owners, school teachers, university professors, scientists, Polish Jews, factory managers, writers and publishers, business owners, and priests and clergy, including their extended families. Anyone they could find who could provide any leadership or resistance to the Soviet socialist march westward was targeted. Most were given 15 minutes to pack and herded onto trains for the long cold journey to gulags in Siberia and Kazahkstan where they were to be worked to death on collective farms or starved. Thousands of Polish women were raped and many more Polish citizens were immediately executed at the whims of their occupiers. Soviet journalists and teachers celebrated, proclaiming, “Poland had fallen and would never rise again.”
Mass graves of Poles from the Soviet pogroms of early 1940 were found all over eastern Poland and western Russia, the 22,000 dead found in Katyn Forest by German troops in 1943 being the most famous. Most survivors arrived in Siberia in April when the temperatures were still well below zero and were forced to build their camps with what they had, with no shelter or winter clothing and little food provided. Tens of thousands more perished enroute to and during the construction of the camps. Many Poles were sent to the same camps the kulaks were murdered in the decade before.
2.2 million Poles were deported east by the Soviet Union in the 21 months between the invasion of Poland in September 1939 and the German invasion of the Soviet Union in June 1941. The vast majority were never seen again. Only about 200,000 survivors returned to Poland after the war. The returnees were mostly soldiers and their camp followers from the Polish Armored Division and Polish II Corps, who fought with the Western Allies in North Africa, Italy, and France; the ZPP (Soviet based Polish Communists), and the 1st and 2nd Polish Armies, Soviet creations later in the war comprised of Polish soldiers led by Russian officers.
The two million Poles killed by the Soviets are not included in the usual figure of six million Poles killed during Second World War, or 22% reduction in the Polish population. The official six million figure was compiled by the Soviet backed Polish government in 1947 and included the three million non-Jewish Poles were killed by the German occupation, and three million Polish Jews killed in the Holocaust. The 1947 estimate did not include the Poles killed by the Soviets because the areas occupied by the Soviets from Sept 1939-June 1941 were never returned to Poland after the war and were given to Soviet Belorussia and Soviet Ukraine. The two million Poles killed in the “Forgotten Holocaust” by the Soviets were included in the Belorussian and Ukrainian wartime death tolls to hide the fact that they weren’t killed by German socialists but by Russian socialists.
“Bloodlands” by Timothy Snyder should be required reading for humanity.