Refugee crises · CHAPTER 3 ·
Polish population transfers
Chapter 3 of Uprooted: Refugees in Europe 1945–1960 and Indochina 1975–1990: “Borders Move, People Follow”
After the war Poland was moved about 200 kilometres west: the Soviet Union kept its eastern borderlands and Poland received German land. Under the Lublin agreements of September 1944, about 1.2 to 1.5 million Poles and Polish Jews left the Soviet republics, while about 482,000 Ukrainians were sent to Soviet Ukraine.
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The map above is the world of Refugees in Europe, April 1947 — Operation Vistula; Istria ceded.
Every state on the map that year: The world in 1945 · Europe in 1945.
Part of IB History: Refugees in Europe and Indochina →
SHORT EXPLANATION
After the war, Poland occupied a different place on the map. At Yalta in February 1945, the Allies accepted Soviet control of the Kresy, the eastern borderlands that made up nearly half of prewar Poland, and compensated Poland with German land in the west. The country shifted about 200 kilometres west. Its inhabitants were expected to follow: the September 1944 Lublin agreements between Poland’s new communist authorities and the Soviet republics arranged an exchange called ‘repatriation’. Though voluntary on paper, it was coerced in practice. About 1.2 to 1.5 million Poles and Polish Jews left the Soviet republics for Poland; about 482,000 Ukrainians moved in the opposite direction.
Governments elsewhere also separated populations after borders changed, as the hatched areas show. Finland resettled about 410,000 Karelians, one Finn in nine, from territory ceded to the Soviet Union. After Istria passed from Italy to Yugoslavia in 1947, between 250,000 and 350,000 people, mostly Italians, left by 1956. In Poland, Operation Vistula scattered about 140,000 Ukrainians and Lemkos, a Carpathian mountain people, across former German lands in 1947. The operation followed the violence of Volhynia in 1943, when Ukrainian nationalist insurgents killed tens of thousands of Poles and Polish units retaliated. Separation promised security, but it also extended a division that violence had already begun.
The full story
Poland’s eastern losses and western gains created two connected problems: people were leaving one region while another needed settlers. The arrows from Lwów and Wilno toward Wrocław and Gdańsk trace that connection. Under the September 1944 Lublin agreements, Poles in three Soviet republics could register for ‘evacuation’. Remaining was difficult. Soviet pressure, fear of Ukrainian insurgents and collectivisation—the merging of private farms into state-run collectives—made departure the safer or more practicable choice for many. About 780,000 came from Soviet Ukraine alone, along with surviving Polish Jews whose communities the Holocaust had destroyed.
Wrocław shows how much more than individuals moved. The former German city of Breslau had lost nearly all its 600,000 Germans; Lwów’s university and Ossolineum library came west to join its new population. The communist authorities called these western lands the ‘Recovered Territories’, presenting medieval Polish rule as evidence of a homecoming. For settlers from the east, the new home also meant the loss of the old one.
The Ukrainians of south-eastern Poland faced two successive removals. Between 1944 and 1946 about 482,000 went to Soviet Ukraine, first under persuasion and then by force. Armed conflict continued: the Ukrainian Insurgent Army (UPA), a nationalist guerrilla force, attacked Polish posts and villages. It had massacred Polish civilians in Volhynia in 1943, and Polish units had retaliated.
After UPA fighters killed Deputy Defence Minister General Karol Świerczewski on 28 March 1947, the Polish government launched Operation Vistula, shown by the hatched strip. Between April and July, it deported about 140,000 Ukrainians and Lemkos to the former German north and west. They were placed in small groups so their communities could not re-form; suspects were held at Jaworzno, where 161 died. Unlike the earlier exchange, this removal crossed no new border. The state used its peacetime powers to separate people within Poland.
The loss of a borderland did not produce the same settlement everywhere. The Moscow Armistice of September 1944 took Finland out of the war and confirmed the loss of Karelia. Almost all its 410,000 inhabitants chose to leave. Finland’s parliament then passed the Land Acquisition Act of May 1945, taking land from the state, church and large farms to give evacuees new holdings. These citizens had a political voice, and their government accepted responsibility for resettling them.
Istria’s inhabitants faced a different history. The February 1947 Paris peace treaty gave Yugoslavia most of the peninsula, together with Fiume and Zara. Italians departed in waves; about 90 percent of Pola’s residents left in early 1947. Their decisions followed two decades of Fascist rule that banned Slovene and Croatian schools, Italian wartime camps including Rab, and killings in 1943 and 1945 in which Yugoslav partisans threw several thousand people into karst pits called foibe. The treaty changed the ruler of a region already marked by violence; its residents had to judge what that change meant for their future.
FULL EXPLANATION
One process from Volhynia to Vistula
Timothy Snyder’s The Reconstruction of Nations (2003) connects events often treated separately: the massacres of 1943, the exchanges of 1944–46 and Operation Vistula. His argument is that nationalist insurgents began separating Poles and Ukrainians, and communist states completed that process in pursuit of homogeneous nations. In Volhynia in 1943, the UPA killed Polish civilians to remove them from land it claimed. Most historians estimate 40,000 to 60,000 Poles were killed there, and up to 100,000 when eastern Galicia is included. Polish reprisals killed perhaps 2,000 to 3,000 Ukrainians in Volhynia; Grzegorz Motyka estimates 10,000 to 15,000 across the contested lands in 1943–47. Stalin and Polish communists later made separation policy, with trains and soldiers at their disposal. The actors and methods differed, but a goal pursued by insurgents acquired state power. The history remains bitterly contested. Poland’s Senate condemned Operation Vistula in 1990. In 2016 the Sejm made 11 July a day of remembrance for victims of what it called genocide by Ukrainian nationalists; many Ukrainian historians reject that term.
Making Breslau Polish
Gregor Thum’s Uprooted: How Breslau Became Wrocław (2011) follows a city of more than 600,000 Germans that was emptied and refilled within three years. Settlers arrived from the lost eastern provinces and war-ravaged central Poland. Their possession of houses did not make them secure: many feared for decades that sovereignty would change again. The state supplied a story of return. It invoked the medieval Piast dynasty to call the western lands the ‘Recovered Territories’, removed German street names and monuments, and transplanted institutions from Lwów. About 1.1 million residents classified as ‘autochthons’, including Masurians and Upper Silesians of mixed or Slavic background, could stay if they declared themselves Polish; many later emigrated to West Germany. Historians call the reluctance to invest in a house one might lose a ‘suitcase mentality’. It eased after West Germany recognized the Oder–Neisse line in 1970 and united Germany confirmed it in 1990. Replacing a population took a few years; making its place feel secure took two generations.
Istria: numbers, motives and memory
The count of Istrian departures depends partly on whom one counts. Italian exile associations and some Italian historians give up to 350,000 for 1943–56; Marina Cattaruzza and Egidio Ivetić estimate about 270,000 to 300,000. Yugoslav accounts were lower, partly because they counted Slovenes, Croats and ‘optants’ differently. An optant exercised the treaty right to choose Italian citizenship and had to leave. People also left for different reasons: fear after the foibe killings, hostility to communist rule and collectivisation, and attachment to Italian national identity. Raoul Pupo and Roberto Spazzali estimate about 4,000 to 5,000 deaths in the killings and camps. Yugoslav memory cast the leavers as Fascists or collaborators; in Cold War Italy the subject was politically awkward. Pamela Ballinger’s History in Exile (2003) describes a community that kept its memories in associations and Trieste’s old port. Since 2005, following a 2004 law, Italy has marked a Day of Remembrance on 10 February. Critics point out that official memory often omits Fascist and Italian wartime crimes against Slovenes and Croats, including Rab camp, where at least 1,500 died.
Key places on the map
Why it happened
Poland’s border moved to the Curzon Line. Stalin insisted on retaining the eastern Polish lands seized by the Soviet Union in 1939. At Yalta, Roosevelt and Churchill accepted a border close to the Curzon Line, with western land as compensation. Nearly half of prewar Poland, including Lwów and Wilno, changed hands. The line left people under a different state; the governments chose to move them across it.
The war of 1943 in Volhynia. The massacres of 1943–44 made coexistence difficult to imagine. Ukrainian nationalist insurgents killed tens of thousands of Polish civilians in Volhynia and eastern Galicia, while Polish units killed thousands of Ukrainians in reprisal. Against the prospect of more massacres, population exchange could appear to authorities and many victims as a path to safety, even when removal was forced.
Communist nation-building. Poland’s new communist government needed support it could not assume it possessed. Nationalism offered one claim to legitimacy: it could present itself as building a Poland for Poles. Homogeneity also suited Stalin’s preference for clear borders and loyal populations, and vacated western land could be distributed to settlers. Removing Germans and Ukrainians served the project of bringing nation and territory together.
Treaties that ceded land. Finland lost Karelia under the 1944 Moscow Armistice and the 1947 Paris treaty. Italy’s treaty that February ceded Istria, Fiume and Zara to Yugoslavia. Neither required inhabitants to depart, but staying meant living under a new state. Most left, suggesting how few believed they could remain safely as minorities under a victorious neighbor.
THE TURNING POINT
Operation Vistula, 28 April 1947. On 28 April 1947 Poland began deporting its own citizens. No border had moved, and no treaty required the operation. About 140,000 people were affected. General Świerczewski’s killing supplied a pretext, but the deliberate dispersal of Ukrainians so their communities could not re-form went beyond fighting an insurgency. The pursuit of security through homogeneity had become a reason to move people even without a new external demand.
What it changed
A Poland of Poles. Before the war roughly a third of Poland’s citizens were not Poles. War and forced movements left it among Europe’s most ethnically uniform states. Germans, Ukrainians, Lemkos and Polish easterners lost homes, while the multi-ethnic life of Lwów and Wilno was destroyed. The 1990 border treaty made the settlement permanent and ended uprooted people’s hopes of reclaiming their former homes.
Integration at home as a model. Finland’s 410,000 Karelians were resettled within a few years, with landowners and taxpayers contributing the resources. Even a poor state could absorb a large displaced population when it recognized them as citizens with claims. West Germany’s 1952 Equalisation of Burdens law applied similar thinking on a much larger scale, as chapter 6 explains. Stateless displaced persons had no home state from which to claim the same provision.
Exiles in Trieste and beyond. For many Istrian exiles, departure led first to years in camps near Trieste or in Italian cities, then to settlement in Italy or emigration to Australia, the Americas and elsewhere. The Free Territory of Trieste remained divided between Allied and Yugoslav administrations until 1954. Italy then took the city and Yugoslavia the hinterland, prompting a final departure from the Yugoslav zone. At Magazzino 18 in Trieste’s old port, furniture some exiles never reclaimed still remains.
Displaced persons who would not go east. Many Ukrainians, Poles and Balts in German DP camps in 1945 had homes in regions now annexed by the Soviet Union. Returning meant becoming Soviet citizens, and most refused. That decision shaped camp life and Cold War asylum politics; chapter 4 follows the right to refuse return as it became central to refugee protection.
DISCUSSION QUESTION — Did the population transfers of 1944–1947 end ethnic conflict in east-central Europe, or did they complete it by other means?
The transfers can be seen as ending conflict: the borders drawn in 1945 held, and Poles and Ukrainians, Finns and Russians, and Italians and Yugoslavs did not fight again over these lands. Finland also showed that a state could resettle displaced citizens humanely. Yet separation achieved the aim pursued in the 1943 Volhynia massacres, and Operation Vistula dispersed civilians without a war or new treaty requiring it. Snyder’s account brings these observations together: peace came through separation. That conclusion requires us to count the lives, property and communities destroyed, as well as Soviet power’s role in sustaining peace. A border drawn to resolve displacement could create another displaced population.
An interesting fact
The Racławice Panorama left Lwów for Wrocław in 1946. This circular painting, about 15 metres high and 114 metres long, was completed in 1894 for the centenary of Tadeusz Kościuszko’s 1794 victory over Russian troops. Communist authorities were wary of its patriotic image of Poles defeating Russians and kept it rolled up for almost four decades. In 1985 it went on display in a purpose-built Wrocław rotunda; it remains among the city’s most visited sights.
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