The Germany Army conquered Denmark on April 9, 1940. Denmark had approximately 7,000 Jews. 

The Nazis allowed Denmark to retain its king, ministry, and parliament, but the country was in effect governed by 85 German officials. As elsewhere, the Nazis immediately began to impose their anti-Jewish policy. The Danes not only protested this policy: they resisted successfully. 

King Christian of Denmark wrote a personal letter to Adolph Hitler in October 1943 warning him against interning the Danish Jews. At first the Nazis chose not to press the issue because Danish neutrality was important to them. Denmark in fact served them as a "model Protectorate."

Nevertheless, in the spring of 1943, the head of the Nazi administration in Denmark convinced Berlin to implement the unenforced anti-Jewish policy. October 1 was the date set for deporting all Danish Jews. Alerted to the planned arrests, Jewish leaders took advantage of the Jewish New Year (when religious Jews were in synagogue) to warn the community. When the soldiers arrived, most Jews were hiding in the homes and farms of their fellow Danes.

For the next three weeks, Danes worked together to smuggle almost the entire Jewish population of Denmark across the Baltic to Sweden. Meanwhile the Danish government and churches publicly protested Nazi policy. Altogether 7,200 Jews were secretly taken to Sweden. 

The Nazis inevitably captured some Danish Jews, fewer than 500, sending them to the camp at Theresienstadt (Czechoslovakia). Even then, the Danes attempted to trace the captured Jews. Indeed, on June 23, 1944 the Danish Red Cross arrived to inspect their living conditions. The public attention paid to these Danish Jews probably played a large part in their subsequent fate: unlike most Theresienstadt inmates, they were not sent to Auschwitz. Still, in an attempt to impress the Danish Red Cross with the uncrowded "ideal" camp at Theresienstadt, Adolph Eichmann had deported thousands of non-Danish Jews to Auschwitz, where they were gassed.

Just before the war ended, the Swedish Red Cross rescued the 500 Danish Jews from Theresienstadt and took them to Sweden with Scandinavian nationals. No Danish Jew perished in the Holocaust