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The Koniuchy (Kaniūkai) massacre was a
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...
massacre A massacre is the killing of a large number of people or animals, especially those who are not involved in any fighting or have no way of defending themselves. A massacre is generally considered to be morally unacceptable, especially when per ...
of civilians, mostly women and children, carried out in the village of Koniuchy (now Kaniūkai, Lithuania) on 29 January 1944 by a
Soviet partisan Soviet partisans were members of resistance movements that fought a guerrilla war against Axis forces during World War II in the Soviet Union, the previously Soviet-occupied territories of interwar Poland in 1941–45 and eastern Finland. The ...
unit together with a contingent of
Jewish partisans Jewish partisans were fighters in irregular military groups participating in the Jewish resistance movement against Nazi Germany and its collaborators during World War II. A number of Jewish partisan groups operated across Nazi-occupied Euro ...
under Soviet command. At least 38 civilians who have been identified by name were killed, and more than a dozen were injured. In addition, houses were burned and livestock was slaughtered. It was the largest atrocity committed by the Soviet partisans in present-day Lithuania. Sources on the massacre are scarce, fragmentary, and biased hindering objective evaluation of the events. Prior to the massacre, to defend from Soviet partisan raids, the village had formed an armed self-defense force with the encouragement and backing of the German-sponsored
Lithuanian Auxiliary Police The Lithuanian Auxiliary Police Battalions were Schutzmannschaft battalions formed during the German occupation of Lithuania between 1941 and 1944, with the first battalions originating from the most reliable freedom fighters that were disbanded ...
. The strength and role of this self-defense force is a matter of controversy. According to Soviet and Jewish sources, the force was large and well-armed and was a significant hindrance to the partisan activity in the vicinity. According to Lithuanian and Polish sources, the force was 25–30 men armed with a few rifles. The events were investigated by authorities in Poland (2001) and Lithuania (2004). Lithuania opened a pretrial investigation against the former Jewish partisan
Yitzhak Arad Yitzhak Arad ( he, יצחק ארד; né Icchak Rudnicki; November 11, 1926 – May 6, 2021) was an Israeli historian, author, IDF brigadier general and Soviet partisan. He also served as Yad Vashem's director from 1972 to 1993, and specialised ...
and sought to question other surviving Jewish veterans – the action was met with protests and accusations of hypocrisy and antisemitism. Lithuania closed the investigation in 2008; Poland closed its investigation in 2018. The massacre remains controversial and politically charged. Some coverage of this event has been criticized for exaggerating the role of the Jewish partisans in this raid; others for trying to minimize or justify the massacre.


Historical background

Koniuchy, now known as Kaniūkai, is a village located in Lithuania near the
Belarus–Lithuania border The Belarus–Lithuania border is an international border almost in length between the Republic of Belarus (Member states of the Commonwealth of Independent States, CIS member) and the Republic of Lithuania (Member state of the European Uni ...
. Before the
Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...
, it belonged to the Second Polish Republic and, after the
Soviet invasion of Poland The Soviet invasion of Poland was a military operation by the Soviet Union without a formal declaration of war. On 17 September 1939, the Soviet Union invaded Poland from the east, 16 days after Nazi Germany invaded Poland from the west. Subs ...
in September 1939, it was transferred to Lithuania according to the
Soviet–Lithuanian Mutual Assistance Treaty The Soviet–Lithuanian Mutual Assistance Treaty ( lt, Lietuvos-Sovietų Sąjungos savitarpio pagalbos sutartis) was a bilateral treaty signed between the Soviet Union and Lithuania on October 10, 1939. According to provisions outlined in the tre ...
. Lithuania was occupied by the Soviet Union in June 1940 and by Nazi Germany in June 1941. According to the census, carried out in August 1942 in ''
Generalbezirk Litauen Generalbezirk Litauen ( lt, Lietuvos generalinė sritis, ) was one of the four administrative subdivisions of ''Reichskommissariat Ostland'', the 1941-1945 civilian occupation regime established by Nazi Germany for the administration of the three ...
'', the village had 374 people – 41 of them declared their nationality as Lithuanians, 17 as Poles, and the rest chose ambiguous "of Lithuania". Polish and Lithuanian authors disagree whether the village and the victims should be considered Polish or Lithuanian. Sometimes the victims are also described as Belarusian.
Soviet partisans Soviet partisans were members of resistance movements that fought a guerrilla war against Axis forces during World War II in the Soviet Union, the previously Soviet-occupied territories of interwar Poland in 1941–45 and eastern Finland. The ...
became more active in the area in 1943. Koniuchy is located at the edge of the Rudniki Forest (now ), where partisan groups, both Soviet and Jewish, set up bases from which they attacked the German forces. The local Soviet partisans were commanded by and were subordinated to the Lithuanian section of the Central Headquarters of the Partisan Movement in Moscow chaired by
Antanas Sniečkus Antanas Sniečkus ( – 22 January 1974) was a Lithuanian communist politician who served as the First Secretary of the Communist Party of Lithuania from 15 August 1940 to 22 January 1974. Biography Sniečkus was born in 1903, in the village o ...
. Starting in fall 1943, Soviet partisans were cut off from supplies from the Soviet Union. As per directives from Moscow, they were allowed to confiscate material goods from their opponents, and execute them. Unlike Polish partisans of Armia Krajowa (Home Army), these partisans did not enjoy widespread local support and could not depend on voluntary food contributions from local farmers. Therefore, Soviet partisans regularly raided nearby villages to rob the locals of food stock, cattle, and clothing. This raiding led to clashes between the farmers and the partisans. In response, German administration deployed
Lithuanian Auxiliary Police Battalions The Lithuanian Auxiliary Police Battalions were Schutzmannschaft battalions formed during the German occupation of Lithuania between 1941 and 1944, with the first battalions originating from the most reliable freedom fighters that were disbande ...
in the area and provided weapons to self-defence units organized by villagers. This led to increased three-way hostilities between the Soviet partisans, Polish partisans, and Lithuanian police, with local residents caught in the middle and subject to arbitrary executions by any one of the three sides if suspected of aiding the "wrong" side.


Events at Koniuchy


Village self-defense

As raiding intensified in the summer of 1943, men of Koniuchy organized an unarmed night guard. In early fall 1943, the village was visited by four Lithuanian policemen and the men agreed to organize an armed self-defence group. According to later testimony by its leaders, the group grew from an initial 5 or 6 members to 25–30 men. There is no reliable data on the group's weapons. Soviet sources, trying to justify the massacre, claimed that the village had three machine guns and automatic rifles. One of the leaders of the village self-defence unit, Vladislavas Voronis, in his post-war trial by
NKVD The People's Commissariat for Internal Affairs (russian: Наро́дный комиссариа́т вну́тренних дел, Naródnyy komissariát vnútrennikh del, ), abbreviated NKVD ( ), was the interior ministry of the Soviet Union. ...
, trying to minimize his anti-Soviet activities, claimed that the group had only eight rifles and ten
sawed-off shotgun A sawed-off shotgun (also called a sawn-off shotgun, short-barreled shotgun, shorty or a boom stick) is a type of shotgun with a shorter gun barrel—typically under —and often a shortened or absent stock. Despite the colloquial term, ...
s. Rimantas Zizas evaluated both claims as unlikely and claimed that at least some weapons should have been provided by the Lithuanian policemen of the 253rd Police Battalion which had an outpost in . Similarly, there is no agreement on fortifications of the village. Memoirs by Jewish partisans claim that the village was fortified with trenches and watch towers and even had a German contingent; these claims are refuted by Polish and Lithuanian authors. There were several incidents between the partisans and the men of Koniuchy. In October 1943, a group of six armed Soviet partisans took three cartloads worth of food, clothes, and other items. The villagers stopped the partisans on a bridge over
Šalčia The Šalčia ( be, Шальча, translit=Shalcha) is a river in Lithuania. It originates in a region located to the east of Šalčininkai and runs for 76 km before flowing into the Merkys near Valkininkai Valkininkai ( pl, Olkieniki) is ...
and took back the property. There is some evidence that two partisans were killed in the incident. In January 1944, a Soviet partisan was killed in in an operation by the Lithuanian Auxiliary Police that involved a few men from Koniuchy. Soviet sources claimed that the partisan was captured, transported to Koniuchy, tortured, and later executed. Similarly, Soviet sources implicated men from Koniuchy in attacks on Soviet partisans in and . Post-war testimony by locals shows that the partisans sent two or three open letters to the residents of Koniuchy urging them to surrender their weapons and cease anti-partisan activities, and vowing reprisals if they refused. The partisan view of the village was summed up in a November 2008 interview by
Sara Ginaitė Sara Ginaite-Rubinson (17 March 1924 – 2 April 2018) was a Jewish Lithuanian-born Canadian author and academic. During the Second World War she was a resistance fighter during the Nazi occupation of Lithuania, becoming a Jewish partisan in 1 ...
, former Jewish partisan and a professor at
York University York University (french: Université York), also known as YorkU or simply YU, is a public university, public research university in Toronto, Ontario, Canada. It is Canada's fourth-largest university, and it has approximately 55,700 students, 7,0 ...
, who stated that the village had a "record of hostility to the partisans" and that "the villagers were not unarmed civilians, but rather collaborators and combatants against Soviet partisans". The collaboration was denied by the villagers who claimed that only a few men in the village were armed with rifles for self-protection.


Massacre and different accounts

On 29 January 1944, around 5 a.m., the village was attacked by Soviet partisan units under the command of the Central Headquarters of the Partisan Movement in
Moscow Moscow ( , US chiefly ; rus, links=no, Москва, r=Moskva, p=mɐskˈva, a=Москва.ogg) is the capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 13.0 millio ...
. The order to attack was given by . The raid was carried out by 100–150 partisans from various units including
Jewish partisans Jewish partisans were fighters in irregular military groups participating in the Jewish resistance movement against Nazi Germany and its collaborators during World War II. A number of Jewish partisan groups operated across Nazi-occupied Euro ...
. According to Zimanas report of 31 January, the attack was carried out by partisans from the so-called Vilnius Brigade, "Death to Occupiers" (part of Kaunas Brigade), "Margiris", and a special group of the
GRU The Main Directorate of the General Staff of the Armed Forces of the Russian Federation, rus, Гла́вное управле́ние Генера́льного шта́ба Вооружённых сил Росси́йской Федера́ци ...
of the General Staff of the
Red Army The Workers' and Peasants' Red Army ( Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist Republic and, afte ...
(also known as Platoon no. 14). The Vilnius Brigade included partisan groups "Death to Fascism", "Avengers", "To Victory", "Fight", "Thunder", and a unit named after
Adam Mickiewicz Adam Bernard Mickiewicz (; 24 December 179826 November 1855) was a Polish poet, dramatist, essayist, publicist, translator and political activist. He is regarded as national poet in Poland, Lithuania and Belarus. A principal figure in Polish Ro ...
). A log of partisan activity recorded that 30 fighters from "Avengers" and "To Victory" participated in the massacre. Rimantas Zizas identified captain Michaił Cejko from the "Death to Occupiers" unit as the commander of the attack. Cejko claimed the command in his autobiography completed in August 1944 and the command was mentioned when he was awarded the
Order of the Patriotic War The Order of the Patriotic War (russian: Орден Отечественной войны, Orden Otechestvennoy voiny) is a Soviet military decoration that was awarded to all soldiers in the Soviet armed forces, security troops, and to partisa ...
(2nd class) in April 1944. Cejko was a Belarusian who served in the
37th Rifle Division The 37th Rifle Division was an infantry division of the Soviet Union's Red Army during World War II. It served in the North Caucasus Military District; established at Novocherkassk in 1919. In June–July 1939 it was at Omsk preparing for action ...
, was captured by the Germans, and escaped from a POW camp in Kalvarija. The commemorative monument erected in Koniuchy lists 38 names, among them 11 women and 15 children under the age of 16. The youngest murdered child was 1.5-year old girl shot while held in her mother's arms. Another dozen of villagers was injured. According to reports of the
Lithuanian Security Police The Lithuanian Security Police (LSP), also known as Saugumas ( lt, Saugumo policija), was a local police force that operated in German-occupied Lithuania from 1941 to 1944, in collaboration with the occupational authorities. Collaborating with th ...
, 36 houses, 40 granaries, 39 barns, and one
banya Banya may refer to: Places Australia * Banya, Queensland, a locality in the Sunshine Coast Region, Queensland, Australia Bulgaria * Banya, Blagoevgrad Province, a thermal spa and mountain resort in southwest Bulgaria * Banya, Burgas P ...
were burned down, 50 cows, 16 horses, about 50 pigs, and 100 sheep were slaughtered. By one account, only six houses remained standing in the village. The same security police report also claimed that two murdered villagers were Lithuanian policemen and that one partisan was killed and three were injured – this is contradicted by Zimanas' reports that claimed no casualties on the Soviet side. The surviving villagers received a government benefit of 500
Reichsmark The (; sign: ℛℳ; abbreviation: RM) was the currency of Germany from 1924 until 20 June 1948 in West Germany, where it was replaced with the , and until 23 June 1948 in East Germany, where it was replaced by the East German mark. The Reich ...
s. After the war, Soviet partisans barely mentioned Koniuchy in their memoirs. Even partisan personnel files maintained by Soviet security agencies often neglected to mention the person's involvement in the massacre. Jewish partisans wrote a few contradictory accounts of the Koniuchy events. In a 1969 book ''Kauno getas ir jo kovotojai'' (Kovno Ghetto and Its Fighters) Dmitri Gelpernas and Mejeris Elinas (Meir Yelin) portrayed the massacre as a fierce battle "for every house" with well armed "Hitlerites". Fierce fighting was also described by Isaac Kowalski (1969) and Rozka Korczak in her Russian memoir published in 1977. Chaim Lazar in his book ''Destruction and Resistance'' (published in 1985 in New York) wrote that the village was to be destroyed completely and described how half-naked people jumped out the windows to escape the bullets. In 1988, Paul Bagriansky published a graphic account of the events that included mutilation of eight villagers' corpses. More accounts were recorded after the dissolution of the Soviet Union, including by Abraham Zeleznikow (1993). Survivor accounts were first published by the Lithuanian daily '' Respublika'' in 1990.


Immediate aftermath

According to a report by the Lithuanian Auxiliary Police, 52 auxiliaries from the 253rd Battalion armed with machine guns went to Koniuchy at 7 a.m., but failed to intercept the partisans. Soviet partisans also threatened to attack the nearby villages of , , , and . On the other side of the Rudniki Forest, the partisans attacked and took provisions and the Lithuanian police attempted to ambush the partisans in the village. Other ambushes were also unsuccessful. The Lithuanian Auxiliary Police considered reprisal actions against villages supporting the Soviet partisans. Locals identified a couple of residents from and as participants in the attack on Koniuchy. According to reports of the
Lithuanian Security Police The Lithuanian Security Police (LSP), also known as Saugumas ( lt, Saugumo policija), was a local police force that operated in German-occupied Lithuania from 1941 to 1944, in collaboration with the occupational authorities. Collaborating with th ...
, about 40 policemen from the 253rd Battalion surrounded Didžiosios Sėlos, searched for weapons, and severely injured two residents. A letter from an officer of the 253rd Battalion to his superior openly suggested to deal with Didžiosios Sėlos in the same manner as two Belarusian villages near
Vidzy Vidzy (; ; ; ; ) is an urban settlement in the Vitebsk Region, in Belarus. In 2014, its population was .Official estimation of the population on 1 January 2014, se''pop-stat.mashke.org'' History During World War II, Vidzy was occupied by Nazi G ...
that were destroyed by the battalion during an anti-partisan operation in October 1943, but it was avoided. Soviet partisans were afraid of a reprisal action by the Germans and some units left their bases. Zimanas even suggested that the partisans might retreat to forests near the
Lake Narach Lake Narach ( be, На́рач, ''Narač'' ; russian: На́рочь, ''Naročj''; lt, Narutis, pl, Narocz) is a lake in north-western Belarus ( Myadzyel District, Minsk Region), located in the basin of the Viliya river. It is the largest lake ...
where units commanded by
Motiejus Šumauskas Motiejus or Matas Šumauskas (2 October 1905 in Kaunas – 28 May 1982 in Vilnius) was a Lithuanian communist activist and Soviet politician. He served as the chairman of the Council of Ministers (equivalent to Prime Minister) from 1956 to 1963 ...
were based. The situation normalized by early March 1944.


Investigations

The Polish
Institute of National Remembrance The Institute of National Remembrance – Commission for the Prosecution of Crimes against the Polish Nation ( pl, Instytut Pamięci Narodowej – Komisja Ścigania Zbrodni przeciwko Narodowi Polskiemu, abbreviated IPN) is a Polish state resea ...
(IPN) initiated a formal investigation into the incident on 3 March 2001, at the request of the
Canadian Polish Congress The Canadian-Polish Congress ( pl, Kongres Polonii Kanadyjskiej, KPK, CPC) is a Canadian not-for-profit organization federally integrated on the 7th of February 1933 in Winnipeg, Manitoba which was previously known as the Federation of Polish Soci ...
. The institute examined a number of archival documents including police reports, encoded messages, military records and personnel files of the Soviet partisans. Requests for legal assistance were then sent to state prosecutors in
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by ...
, Lithuania, the
Russian Federation Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...
and
Israel Israel (; he, יִשְׂרָאֵל, ; ar, إِسْرَائِيل, ), officially the State of Israel ( he, מְדִינַת יִשְׂרָאֵל, label=none, translit=Medīnat Yīsrāʾēl; ), is a country in Western Asia. It is situated ...
. The IPN investigation was closed in February 2018. The official reason for the closure was that the investigators were not able to establish "beyond a reasonable doubt" that any perpetrators of the massacre were still alive, and as a result concluded that there was no one who could be charged with a crime. The Lithuanian prosecutor general subsequently opened its own investigation into the massacre in 2004. In April 2006, the Lithuanian daily '' Respublika'' published excerpts from memoirs of
Yitzhak Arad Yitzhak Arad ( he, יצחק ארד; né Icchak Rudnicki; November 11, 1926 – May 6, 2021) was an Israeli historian, author, IDF brigadier general and Soviet partisan. He also served as Yad Vashem's director from 1972 to 1993, and specialised ...
, former chairman of
Yad Vashem Yad Vashem ( he, יָד וַשֵׁם; literally, "a memorial and a name") is Israel's official memorial to the victims of the Holocaust. It is dedicated to preserving the memory of the Jews who were murdered; honoring Jews who fought against th ...
, about his role in the Koniuchy massacre. A pretrial investigation against Arad was opened in May 2006. As part of its investigation, Lithuanian prosecutors sought to question other Jewish veterans of the partisan movement, including
Sara Ginaitė Sara Ginaite-Rubinson (17 March 1924 – 2 April 2018) was a Jewish Lithuanian-born Canadian author and academic. During the Second World War she was a resistance fighter during the Nazi occupation of Lithuania, becoming a Jewish partisan in 1 ...
,
Rachel Margolis Rachel Margolis (28 October 1921 – 6 July 2015) was a Holocaust survivor, partisan, biologist and Holocaust historian. Background Margolis was born in Vilnius, Lithuania in 1921. In 1941, when the Nazis occupied Lithuania, Margolis was sent ...
, and Fania Branstovsky. Arad had served as a member of the
International Commission for the Evaluation of the Crimes of the Nazi and Soviet Occupation Regimes in Lithuania The International Commission for the Evaluation of the Crimes of the Nazi and Soviet Occupation Regimes in Lithuania is a commission appointed by the President of Lithuania, Valdas Adamkus, by presidential decree on 7 September 1998. The Commissio ...
appointed by the president of Lithuania in 2005. In response to the investigation, Yad Vashem issued a protest saying it focused on "victims of Nazi oppression" and suspended Israeli participation in the international commission. The failure of the Lithuanian judiciary to investigate local Nazi collaborators like Aleksandras Lileikis while choosing to question Jewish partisans led to charges of hypocrisy, attempt at
victim blaming Victim blaming occurs when the victim of a crime or any wrongful act is held entirely or partially at fault for the harm that befell them. There is historical and current prejudice against the victims of domestic violence and sex crimes, such as ...
, and antisemitism. Following wide international and some domestic criticism, the Lithuanian investigation was closed in September 2008.


Evaluations

Saulius Sužiedėlis summarized the evaluations of the massacre saying that Jewish groups considered the investigations an attack against the "heroic Soviet antifascist resistance" while Lithuania and Poland saw it as a Soviet atrocity complicating the oversimplified good vs. evil image of the fight against Nazi Germany. Similar views were expressed by
Piotr Gontarczyk Piotr Gontarczyk (born 29 April 1970 in Żyrardów, Poland) is a poles, Polish historian with a doctor (title), doctorate in history and political science. He is employed by the Polish Institute of National Remembrance. He specializes in the W ...
who said that the events of Koniuchy distort the black and white, heroic image of Jewish partisans, and lamented that attempts to reconstruct complicated historic events or interview figures like Arad are seen as antisemitism. According to
Antony Polonsky Antony Barry Polonsky (born 23 September 1940, Johannesburg, South Africa) is Emeritus Professor of Holocaust Studies at Brandeis University. He is the author of many historical works on the Holocaust, and is an expert on Polish Jewish history. ...
, nationalists in both Lithuania and Poland have portrayed Koniuchy as a "Jewish action". While the exact determination of the ethnicity of the Soviet partisans is not possible, it is clear that Jews were a minority in these formations. While discussing anti-Semitic stereotypes and historical exaggerations of Jews' role in Soviet atrocities, Polonsky stated that time has come for Jews to accept that some of their compatriots also carried out atrocities, and partisans involved in Koniuchy and Naliboki massacres committed "very evil things". Hanna Maria Kwiatkowska concluded that daily ''
Nasz Dziennik ''Nasz Dziennik'' ("Our Daily") is a Polish-language Roman Catholic daily newspaper published six times a week in Warsaw, Poland. It is connected to the Lux Veritatis Foundation. Its viewpoint has been described as right-wing to far-right (har ...
'' used the stories of Koniuchy and Naliboki massacres as a balancing counterweight to the
Jedwabne pogrom The Jedwabne pogrom was a massacre of Polish Jews in the town of Jedwabne, German-occupied Poland, on 10 July 1941, during World War II and the early stages of the Holocaust. At least 340 men, women and children were murdered, some 300 of whom ...
which came to public attention in 1999. Rimantas Zizas echoed the same sentiment that Koniuchy became politicized in Poland due to Jedwabne. Similarly,
Dovid Katz Dovid Katz (Yiddish: , also , Hirshe-Dovid Kats, , born 9 May 1956) is an American-born, Vilnius-based scholar, author and educator, specializing in Yiddish language and literature, Lithuanian Jewish culture, and the Holocaust in Eastern Europe. ...
said that a politicized prosecution in Lithuania used Koniuchy to obfuscate the Holocaust by shifting attention to Soviet partisans from unpunished local war criminals who aided
the Holocaust in Lithuania The Holocaust in Lithuania resulted in the near total destruction of Lithuanian (Litvaks) and Polish Jews, living in '' Generalbezirk Litauen'' of ''Reichskommissariat Ostland'' within the Nazi-controlled Lithuanian SSR. Out of approximately 20 ...
resulting in some 200,000 Jewish deaths. He decried the Lithuanian investigation as "antisemitic campaigns masquerading as history".


Commemoration

In May 2004, a memorial cross commemorating the event was erected in Kaniūkai with the names of the known victims.


See also

*
List of massacres in Lithuania The following is a list of massacres that have occurred in Lithuania (numbers may be approximate): References

{{Europe topic , List of massacres in Lists of massacres by country, Lithuania Lithuania history-related lists, Massacres Mas ...
* Naliboki massacre


References


Further reading

* * {{DEFAULTSORT:Koniuchy Massacre 1944 in Lithuania 1944 in Poland Generalbezirk Litauen January 1944 events Jewish Polish history Lithuania in World War II Mass murder in 1944 Massacres in 1944 Massacres in Lithuania Massacres in Poland Poland–Soviet Union relations Soviet partisans Soviet World War II crimes in Poland Soviet World War II crimes