Acts of opposition, defiance, or sabotage using weapons or including typical battles, attacks, or guerrilla strikes. (See also cultural resistance and spiritual resistance.)

Hebrew: plural, literally "sacred ones," or "holy ones," from Kadosh, meaning holy.

A death camp opened in March 1942, as part of Aktion Reinhard, near Sobibor, Poland. The camp commandant was Franz Stangl, and later Franz Reichsleitner.

The executive agency established by President Franklin D. Roosevelt in January 1944 to aid civilian victims of Nazi Germany and its allies.

A political and cultural movement advocating a Jewish independent state in the Land of Israel. —Zionist n.

A fear or hatred of strangers or foreigners.

Prejudging or making a decision about a person or group of people without sufficient knowledge. Prejudicial thinking is frequently based on stereotypes.

A day established to commemorate the Holocaust and the six million Jews who perished; it is the anniversary of the Warsaw Ghetto Uprising.

The Holocaust Martyrs' and Heroes' Remembrance Authority in Jerusalem. The name Yad Vashem is taken from an Old Testament passage: "I will build for them a name and a memori [..]

The Warsaw ghetto was officially established on October 2, 1940 and sealed on November 16, 1940. At one point, the ghetto held over 500,000 Jews. The first wave of mass deportations took place between [..]