History of Poland (1939–1945)
The history of Poland from 1939 to 1945 encompasses primarily the period from the invasion of Poland by Nazi Germany and the Soviet Union to the end of World War II. Following the German–Soviet non-aggression pact, Poland was invaded by Nazi Germany on 1 September 1939 and by the Soviet Union on 17 September. The campaigns ended in early October with Germany and the Soviet Union dividing and annexing the whole of Poland. After the Axis attack on the Soviet Union in the summer of 1941, the entirety of Poland was occupied by Germany, which proceeded to advance its racial and genocidal policies across Poland.
Under the two occupations, Polish citizens suffered enormous human and material losses. According to the Institute of National Remembrance estimates, about 5.6 million Polish citizens died due to the German occupation and about 150,000 due to the Soviet occupation.[1] The Jews were singled out by the Germans for a quick and total annihilation and about 90 percent of Polish Jews (nearly three million) were murdered as part of the Holocaust. Jews, Poles, Romani people and prisoners of many other ethnicities were killed en masse at Nazi extermination camps, such as Auschwitz, Treblinka and Sobibór. Ethnic Poles were subjected to both Nazi German and Soviet persecution. The Germans killed an estimated two million ethnic Poles. Generalplan Ost contemplated turning the remaining majority of Poles into slave labor and annihilating those perceived as "undesirable". Ethnic cleansing and massacres of Poles and to a lesser extent Ukrainians were perpetrated in western Ukraine (prewar Polish Kresy) from 1943. The Ukrainian Insurgent Army participated.
In September 1939, the Polish government officials sought refuge in Romania, but their subsequent internment there prevented the intended continuation abroad as the government of Poland. General Władysław Sikorski, a former prime minister, arrived in France, where a replacement Polish Government-in-Exile was soon formed. After the fall of France, the government was evacuated to Britain. The Polish armed forces were reconstituted and fought alongside the Western Allies in France, Britain and elsewhere. A Resistance movement began organizing in Poland in 1939, soon after the invasions. Its largest military component was a part of the Polish Underground State network and became known as the Home Army. The whole clandestine structure was formally directed by the Government-in-Exile through its delegation resident in Poland. There were also peasant, right-wing, leftist, Jewish and Soviet partisan organizations. Among the failed anti-German uprisings were the Warsaw Ghetto Uprising and the Warsaw Uprising. The aim of the Warsaw Uprising was to prevent domination of Poland by the Soviet Union.
In order to cooperate with the Soviet Union after Operation Barbarossa, Sikorski, an important war ally of the West, negotiated in Moscow with Joseph Stalin and they agreed to form a Polish army in the Soviet Union, intended to fight on the Eastern Front alongside the Soviets. The "Anders' Army" was instead taken to the Middle East in 1942 and then to Italy. Further efforts to continue the Polish-Soviet cooperation had failed because of disagreements over borders, the discovery of the Katyn massacre of Polish POWs perpetrated by the Soviets, and the death of General Sikorski. Afterwards, in a process seen by many Poles as a Western betrayal, the Polish Government-in-Exile gradually ceased being a recognized partner in the Allied coalition.
Stalin pursued a strategy of facilitating the formation of a Polish government independent of (and in opposition to) the exile government in London by empowering the Polish communists. Among Polish communist organizations established during the war were the Polish Workers' Party in occupied Poland and the Union of Polish Patriots in Moscow. In late 1943 a new Polish army was formed in the Soviet Union to fight together with the Soviets. At the same time Stalin worked on co-opting the Western Allies (the United States led by President Franklin D. Roosevelt and the United Kingdom led by Prime Minister Winston Churchill), who, in terms of practical implementations, conformed to Stalin's views on Poland's borders and future government. The fate of Poland was determined in a series of negotiations that included the conferences in Tehran, Yalta, and Potsdam. In 1944, the Polish Government-in-Exile approved and the underground in Poland undertook unilateral political and military actions aimed at establishing an independent Polish authority, but the efforts were thwarted by the Soviets. The Polish communists founded the State National Council in 1943/44 in occupied Warsaw and the Polish Committee of National Liberation in July 1944 in Lublin, after the arrival of the Soviet army. The Soviet Union kept the eastern half of prewar Poland, granting Poland instead the greater southern portion of the eliminated German East Prussia and shifting the country west to the Oder–Neisse line, at the expense of Germany.
Before the war
Rearmament and first annexations
After the death of Józef Piłsudski in 1935, the Sanation government of his political followers, along with President Ignacy Mościcki, embarked on a military reform and rearmament of the Polish Army in the face of the changing political climate in Europe. Thanks in part to a financial loan from France, Poland's new Central Industrial Region participated in the project from 1936 in an attempt to catch-up with the advanced weapons development by Poland's richer neighbors. Foreign Minister Józef Beck continued to resist the growing pressure on Poland from the West to cooperate with the Soviet Union in order to contain Germany.[2][3][4] Against the rapidly growing German military force, Poland not only possessed no comparable quantity of technical resources, but also lacked the knowledge and concepts of developing modern warfare.[5]
Also in 1935, Adolf Hitler announced and expanded the hitherto secret German rearmament contrary to the provisions of the Treaty of Versailles – the foundation of the post-World War I international order. Unable to prevent Hitler's remilitarization of the Rhineland, the United Kingdom and France also pursued rearmament. Meanwhile, German territorial expansion into central Europe began in earnest with the Anschluss of Austria in March 1938. Poland dispatched special diversionary groups to the disputed Zaolzie (Czech Silesia) area in hope of expediting the breakup of Czechoslovakia and regaining the territory. The Munich Agreement of 30 September 1938 was followed by Germany's incorporation of the Sudetenland. Faced with the threat of a total annexation of Czechoslovakia, the Western Powers endorsed the German partition of the country.[6][7]
Poland insistently sought a great power status but was not invited to participate in the Munich conference. Minister Beck, disappointed with the lack of recognition, issued an ultimatum on the day of the Munich Agreement to the government of Czechoslovakia, demanding an immediate return to Poland of the contested Zaolzie border region. The distressed Czechoslovak government complied, and Polish military units took over the area. The move was negatively received in both the West and the Soviet Union, and it contributed to the worsening of the geopolitical situation of Poland. In November, the Polish government also annexed a small border region in dispute with the newly autonomous state of Slovakia and gave its support to Hungary's expansion into Carpatho-Ukraine, located within the now federal Czechoslovakia.[7][8][9]
Aftermath of the Munich Agreement
The Munich Agreement of 1938 did not last for long. In March 1939 the German occupation of Czechoslovakia began with the invasion of Bohemia and Moravia, leaving Slovakia as a German puppet state. Lithuania was forced to give up its Klaipėda Region (Memelland). Formal demands were made for the return of the Free City of Danzig to Germany, even though its status was guaranteed by the League of Nations. In early 1939 Hitler proposed Poland an alliance on German terms, with an expectation of compliance. The Polish government would have to agree to Danzig's incorporation by the Reich and to an extraterritorial highway passage connecting East Prussia with the rest of Germany through the so-called Polish Corridor (an area linking the Polish mainland with the Baltic Sea). Poland would join an anti-Soviet alliance and coordinate its foreign policy with Germany, thus becoming a client state. The independence-minded Polish government was alarmed and a British guarantee of Poland's independence was issued on 31 March 1939. Reacting to this act and to Poland's effective rejection of the German demands, Hitler renounced the existing German–Polish Non-Aggression Pact on April 28.[4][10]
Polish-Ukrainian conflict
Background
The bloody ethnic conflict exploded during World War II in areas of today's western Ukraine, inhabited at that time by Ukrainians and a Polish minority (and until recently by Jews, most of whom had been killed by the Nazis before 1943).[183] The Ukrainians blamed the Poles for preventing the emergence of their national state as a result of the outcomes of their conflict at the end of World War I and for Poland's nationality policies (such as military colonization in Kresy). Ukraininan partisans therefore undertook a campaign of terror during the interwar years, led by the Organization of Ukrainian Nationalists (OUN). Under Piłsudski and his successors the Polish state authorities responded with harsh pacification measures. The events that unfolded in the 1940s were a legacy of this bitterness and also a result of other factors, such as the activities of Nazi Germany and the Soviet Union.[163][184] Ukrainians, generally assigned by the Nazis the same inferior status as Poles, in many practical respects received more favorable treatment.[185] However, the Germans thwarted the Ukrainian attempts to establish a Ukrainian state, imprisoned Ukrainian leaders, and split the occupied lands that Ukrainians considered theirs into two administrative units. Following the Soviet victory at Stalingrad, the Ukrainian nationalists feared a repeat of the post-World War I scenario: a power vacuum left by the exhausted great powers and a Polish armed takeover of western Ukraine. Aiming for a country without any Poles or Polish interests left, the Ukrainian Insurgent Army (UPA) undertook to create an ethnically homogenous Ukrainian society by physically eliminating the Poles. The German occupiers, whose long-standing policy was to aggravate further the Polish-Ukrainian enmity, for the most part, did not intervene in the resulting campaigns of ethnic cleansing.[48][183][186]