Part of a series of articles on Jews and Judaism
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By World War II, nearly all Jewish companies had either collapsed under financial pressure and declining profits, or had been forced to sell out to the Nazi-German government as part of the "Aryanization" policy inaugurated in 1937. As the war started, large massacres of Jews took place. Pogroms were also encouraged by the Nazis, especially early in the war before the larger mass killings began. The first of these pogroms was Kristallnacht in Nazi Germany, often called Pogromnacht, in which Jewish homes and business were destroyed and up to 200 Jews were killed. In the city of Lvov, Ukrainian nationalists organized two large pogroms in July, 1941 in which around 6,000 Jews were murdered. In Lithuania, anti-Soviet partisan groups engaged in anti-Jewish pogroms on the 25th and 26nd of June, 1941, before Nazi forces even arrived, killing about 3,800 Jews and burning synagogues and Jewish shops. Perhaps the deadliest of these Holocaust-era pogroms was the Iaşi pogrom in Romania, in which as many as 14,000 Jews were killed by Romanian citizens, police, and military officials. By December 1941, Adolf Hitler decided to completely exterminate European Jews. In January 1942, during the Wannsee conference, several Nazi leaders discussed the details of the "Final Solution of the Jewish question" (Endlösung der Judenfrage). Dr. Josef Bühler urged Reinhard Heydrich to proceed with the Final Solution in the General Government. They began to systematically deport Jewish populations from the ghettos and all occupied territories to the seven camps designated as Vernichtungslager, or extermination camps: Auschwitz, Belzec, Chelmno, Majdanek, Maly Trostenets, Sobibór and Treblinka II. Sebastian Haffner published the analysis in 1978 that Hitler from December 1941 accepted the failure of his goal to dominate Europe forever on his declaration of war against the United States, but that his withdrawal and apparent calm thereafter was sustained by the achievement of his second goal—the extermination of the Jews. Even as the Nazi war machine faltered in the last years of the war, precious military resources such as fuel, transport, munitions, soldiers and industrial resources were still being heavily diverted away from the war and towards the death camps. By the end of the war, much of the Jewish population of Europe had been killed in the Holocaust. Poland, home of the largest Jewish community in the world before the war, had had over 90% of its Jewish population, or about 3,000,000 Jews, killed. Greece, Yugoslavia, Hungary, Lithuania, Bohemia, the Netherlands, Slovakia, and Latvia each had over 70% of their Jewish population destroyed. Belgium, Romania, Luxembourg, Norway, and Estonia lost around half of their Jewish population, the Soviet Union over one third of its Jews, and even countries such as France and Italy had each seen around a quarter of their Jewish population killed. Some Jews outside Europe under Nazi occupation were also affected by the Holocaust and treatment from the Nazis.

Significant places

Anti-Semitism
Antyfaszystowska Organizacja Bojowa
Ardeatine massacre
Aryanization
Fareinigte Partizaner Organizacje
Ghettos in occupied Europe 1939 - 1944
Ghetto uprising
History of the Jews
Israel
Jewish Brigade
Jewish resistance movement
Jews outside Europe under Nazi occupation
Judenfrei
Racial policy of Nazi Germany
Rosenstrasse protest
The Holocaust
Żydowska Organizacja Bojowa
Zydowski Zwiazek Walki