Le Porz’s remark was prophetic. The true extent of Nazi barbarity became known to the world in part through the documentary films made by Allied forces after the liberation of other German camps. There have been many atrocities committed before and since, yet to this day, thanks to those images, the Nazi concentration camp stands as the ultimate symbol of evil. The very names of the camps—Dachau, Bergen-Belsen, Buchenwald, Auschwitz—have the sound of a malevolent incantation. They have ceased to be ordinary place names—Buchenwald, after all, means simply “beech wood”—and become portals to a terrible other dimension.
Germany invaded Poland and captured the Free City of Danzig on 1 September 1939, beginning World War II in Europe.[85] Honouring their treaty obligations, Britain and France declared war on Germany two days later.[86] Poland fell quickly, as the Soviet Union attacked from the east on 17 September.[87] Reinhard Heydrich, chief of the Sicherheitspolizei (SiPo; Security Police) and Sicherheitsdienst (SD; Security Service), ordered on 21 September that Polish Jews should be rounded up and concentrated into cities with good rail links. Initially the intention was to deport them further east, or possibly to Madagascar.[88] Using lists prepared in advance, some 65,000 Polish intelligentsia, noblemen, clergy, and teachers were killed by the end of 1939 in an attempt to destroy Poland's identity as a nation.[89][90] Soviet forces advanced into Finland in the Winter War, and German forces saw action at sea. But little other activity occurred until May, so the period became known as the "Phoney War".[91]

The victories of Operation Barbarossa in the summer and fall of 1941 against Hitler's new enemy, the Soviet Union, led to dramatic changes in Nazi anti-Jewish ideology and the profile of prisoners brought to Auschwitz.[37] Construction on Auschwitz II-Birkenau began in October 1941 to ease congestion at the main camp. Reichsführer-SS Heinrich Himmler, head of the Schutzstaffel (SS), intended the camp to house 50,000 prisoners of war, who would be interned as forced laborers. Plans called for the expansion of the camp first to house 150,000 and eventually as many as 200,000 inmates.[38] An initial contingent of 10,000 Soviet prisoners of war arrived at Auschwitz I in October 1941, but by March 1942 only 945 were still alive, and these were transferred to Birkenau, where most of them died from disease or starvation by May.[39] By this time the Nazis had decided to annihilate the Jewish people,[40] so Birkenau became a labor and extermination camp.[39][41]

His strategy proved successful; at a special party congress on 29 July 1921, he replaced Drexler as party chairman by a vote of 533 to 1.[63] The committee was dissolved, and Hitler was granted nearly absolute powers as the party's sole leader.[63] He would hold the post for the remainder of his life. Hitler soon acquired the title Führer ("leader") and after a series of sharp internal conflicts it was accepted that the party would be governed by the Führerprinzip ("leader principle"). Under this principle, the party was a highly centralised entity that functioned strictly from the top down, with Hitler at the apex as the party's absolute leader. Hitler saw the party as a revolutionary organisation, whose aim was the overthrow of the Weimar Republic, which he saw as controlled by the socialists, Jews and the "November criminals" who had betrayed the German soldiers in 1918. The SA ("storm troopers", also known as "Brownshirts") were founded as a party militia in 1921 and began violent attacks on other parties.
Hitler had the final say in both domestic legislation and German foreign policy. Nazi foreign policy was guided by the racist belief that Germany was biologically destined to expand eastward by military force and that an enlarged, racially superior German population should establish permanent rule in eastern Europe and the Soviet Union. Here, women played a vital role. The Third Reich's aggressive population policy encouraged "racially pure" women to bear as many "Aryan" children as possible.

The Nazis claimed that Bismarck was unable to complete German national unification because Jews had infiltrated the German parliament and they claimed that their abolition of parliament had ended this obstacle to unification.[73] Using the stab-in-the-back myth, the Nazis accused Jews—and other populations who it considered non-German—of possessing extra-national loyalties, thereby exacerbating German antisemitism about the Judenfrage (the Jewish Question), the far-right political canard which was popular when the ethnic Völkisch movement and its politics of Romantic nationalism for establishing a Großdeutschland was strong.[99][100]

As Soviet troops approached Auschwitz in January 1945, most of its population was sent west on a death march. The remaining prisoners were liberated on 27 January 1945, a day commemorated as International Holocaust Remembrance Day. In the following decades, survivors such as Primo Levi, Viktor Frankl, and Elie Wiesel wrote memoirs of their experiences in Auschwitz, and the camp became a dominant symbol of the Holocaust. In 1947 Poland founded the Auschwitz-Birkenau Memorial and Museum on the site of Auschwitz I and II, and in 1979 it was named a World Heritage Site by UNESCO.
Pseudo-scientific racist theories were central to Nazism, expressed in the idea of a "people's community" (Volksgemeinschaft). The party aimed to unite "racially desirable" Germans as national comrades, while excluding those deemed either to be political dissidents, physically or intellectually inferior, or of a foreign race (Fremdvölkische).[9] The Nazis sought to strengthen the Germanic people, the "Aryan master race", through racial purity and eugenics, broad social welfare programs, and a collective subordination of individual rights, which could be sacrificed for the good of the state on behalf of the people.
With the issuance of the Berlin Declaration on 5 June 1945 and later creation of the Allied Control Council, the four Allied powers assumed temporary governance of Germany.[172] At the Potsdam Conference in August 1945, the Allies arranged for the Allied occupation and denazification of the country. Germany was split into four zones, each occupied by one of the Allied powers, who drew reparations from their zone. Since most of the industrial areas were in the western zones, the Soviet Union was transferred additional reparations.[173] The Allied Control Council disestablished Prussia on 20 May 1947.[174] Aid to Germany began arriving from the United States under the Marshall Plan in 1948.[175] The occupation lasted until 1949, when the countries of East Germany and West Germany were created. In 1970, Germany finalised her border with Poland by signing the Treaty of Warsaw.[176] Germany remained divided until 1990, when the Allies renounced all claims to German territory with the Treaty on the Final Settlement with Respect to Germany, under which Germany also renounced claims to territories lost during World War II.[177]

Many of the prisoners died in the concentration camps due to deliberate maltreatment, disease, starvation, and overwork, or they were executed as unfit for labor. Prisoners were transported in inhumane conditions by rail freight cars, in which many died before reaching their final destination. The prisoners were confined in the boxcars for days or even weeks, with little or no food or water. Many died of dehydration in the intense heat of summer or froze to death in winter. Concentration camps also existed in Germany itself, and while they were not specifically designed for systematic extermination, many of their inmates perished because of harsh conditions or they were executed.
Hitler denounced the Old Testament as "Satan's Bible" and utilising components of the New Testament he attempted to prove that Jesus was both an Aryan and an antisemite by citing passages such as John 8:44 where he noted that Jesus is yelling at "the Jews", as well as saying to them "your father is the devil" and the Cleansing of the Temple, which describes Jesus' whipping of the "Children of the Devil".[209] Hitler claimed that the New Testament included distortions by Paul the Apostle, who Hitler described as a "mass-murderer turned saint".[209] In their propaganda, the Nazis utilised the writings of Martin Luther, the Protestant Reformer. They publicly displayed an original edition of Luther's On the Jews and their Lies during the annual Nuremberg rallies.[210][211] The Nazis endorsed the pro-Nazi Protestant German Christians organization.
In 1929, Germany entered a period of severe economic depression and widespread unemployment. The Nazis capitalized on the situation by criticizing the ruling government and began to win elections. In the July 1932 elections, they captured 230 out of 608 seats in the “Reichstag,” or German parliament. In January 1933, Hitler was appointed German chancellor and his Nazi government soon came to control every aspect of German life.

^ Hitler, Adolf (1961). Hitler's Secret Book. New York: Grove Press. pp. 8–9, 17–18. ISBN 978-0-394-62003-9. OCLC 9830111. Sparta must be regarded as the first Völkisch State. The exposure of the sick, weak, deformed children, in short, their destruction, was more decent and in truth a thousand times more humane than the wretched insanity of our day which preserves the most pathological subject.
In her writing, Frank examined her relationships with the members of her family, and the strong differences in each of their personalities. She considered herself to be closest emotionally to her father, who later commented, "I got on better with Anne than with Margot, who was more attached to her mother. The reason for that may have been that Margot rarely showed her feelings and didn't need as much support because she didn't suffer from mood swings as much as Anne did."[30] The Frank sisters formed a closer relationship than had existed before they went into hiding, although Anne sometimes expressed jealousy towards Margot, particularly when members of the household criticized Anne for lacking Margot's gentle and placid nature. As Anne began to mature, the sisters were able to confide in each other. In her entry of 12 January 1944, Frank wrote, "Margot's much nicer ... She's not nearly so catty these days and is becoming a real friend. She no longer thinks of me as a little baby who doesn't count."[31]
: a place where large numbers of people (such as prisoners of war, political prisoners, refugees, or the members of an ethnic or religious minority) are detained or confined under armed guard —used especially in reference to camps created by the Nazis in World War II for the internment and persecution of Jews and other prisoners The Nazi soldiers hauled [Mordechai] Strigler off to a concentration camp, and carved swastikas into his cheeks and forehead with a razor blade. Over the next five years, he was sent from one concentration camp or slave-labor camp to another.— David RemnickShe ended up dying in a concentration camp, just a few months before she would have been liberated.— Marilyn ReynoldsThe V2 killed thousands of British civilians while 20,000 concentration camp inmates died as slave labourers during its manufacture in the closing stages of the second world war.— Anna Tomforde et al. — see also death camp
We were sent to the Radom ghetto, where I spent the first years of the war working for the Jewish committee. But when they started taking the ghetto leaders to Auschwitz, I quickly changed jobs and began working in a munitions factory instead, hoping that if I kept my head down, I might be OK. But after moving from one factory to another, I too was deported to Auschwitz when the ghetto was liquidated in 1942. I was separated from my parents and three sisters, all of whom were taken to Treblinka.
In 1945, when Allied forces liberated the concentration camps at Dachau, Bergen-Belsen, Buchenwald, Sachsenhausen, Auschwitz and elsewhere, the world was shocked at the sight of images of dead bodies alongside half-dead people in these camps. This was the remains of the Nazis’ horrible crime, to imprison people in camps because of their “otherness” or in order to use them for forced labour.
Under Nazi rule, all other political parties were banned. In 1933, the Nazis opened their first concentration camp, in Dachau, Germany, to house political prisoners. Dachau evolved into a death camp where countless thousands of Jews died from malnutrition, disease and overwork or were executed. In addition to Jews, the camp’s prisoners included members of other groups Hitler considered unfit for the new Germany, including artists, intellectuals, Gypsies, the physically and mentally handicapped and homosexuals.
After the selection process was complete, those too ill or too young to walk to the crematoria were transported there on trucks or killed on the spot with a bullet to the head.[169][170] The belongings of the arrivals were seized by the SS and sorted in an area of the camp called "Canada", so called because Canada was seen as a land of plenty. Many of the SS at the camp enriched themselves by pilfering the confiscated property.[171]
Otto Frank gave the diary to the historian Annie Romein-Verschoor, who tried unsuccessfully to have it published. She then gave it to her husband Jan Romein, who wrote an article about it, titled "Kinderstem" ("A Child's Voice"), which was published in the newspaper Het Parool on 3 April 1946. He wrote that the diary "stammered out in a child's voice, embodies all the hideousness of fascism, more so than all the evidence at Nuremberg put together."[69] His article attracted attention from publishers, and the diary was published in the Netherlands as Het Achterhuis (The Annex) in 1947,[70] followed by five more printings by 1950.[71]
Soon afterwards, the gas chambers and crematoria were destroyed on Himmler's orders, since the regime wanted to hide the traces of its murdering machine ahead of the advancing Red Army. As Soviet troops came near to the camp in January 1945, it was hurriedly evacuated and 58 000 prisoners were driven out on a death march, during which most were killed. On the 27th of January 1945, the Red Army entered the camp (link in Czech). They found 7 650 exhausted and starving prisoners and a number of pieces of evidence of crimes that the Nazis had not had time to destroy. In the camp stores they found almost eight tonnes of human hair and over a million men's suits and women's dresses.
At the end of 1944 and early in 1945, a complete deterioration of living conditions set in as thousands of survivors of death marches began to arrive at the camp. The large numbers arriving at the camp soon overwhelmed the meagre resources available. The camp administration did not attempt to house them. Serious overcrowding and a lack of sanitary facilities resulted in the break-out of a typhus epidemic. From January to mid-April 1945, some 35,000 prisoners died due to typhus, starvation and the terrible conditions within the camp.
On 5 January 1919, Drexler created a new political party and proposed it should be named the "German Socialist Workers' Party", but Harrer objected to the term "socialist"; so the term was removed and the party was named the German Workers' Party (Deutsche Arbeiterpartei, DAP).[29] To ease concerns among potential middle-class supporters, Drexler made clear that unlike Marxists the party supported the middle-class and that its socialist policy was meant to give social welfare to German citizens deemed part of the Aryan race.[25] They became one of many völkisch movements that existed in Germany. Like other völkisch groups, the DAP advocated the belief that through profit-sharing instead of socialisation Germany should become a unified "people's community" (Volksgemeinschaft) rather than a society divided along class and party lines.[30] This ideology was explicitly antisemitic. As early as 1920, the party was raising money by selling a tobacco called Anti-Semit.[31]

The diary has been praised for its literary merits. Commenting on Anne Frank's writing style, the dramatist Meyer Levin commended Frank for "sustaining the tension of a well-constructed novel",[78] and was so impressed by the quality of her work that he collaborated with Otto Frank on a dramatization of the diary shortly after its publication.[79] Levin became obsessed with Anne Frank, which he wrote about in his autobiography The Obsession. The poet John Berryman called the book a unique depiction, not merely of adolescence but of the "conversion of a child into a person as it is happening in a precise, confident, economical style stunning in its honesty".[80]

The two largest groups of prisoners in the camps, both numbering in the millions, were the Polish Jews and the Soviet prisoners of war (POWs) held without trial or judicial process. There were also large numbers of Romani people, ethnic Poles, Serbs, political prisoners, homosexuals, people with disabilities, Jehovah's Witnesses, Catholic clergy, Eastern European intellectuals and others (including common criminals, as the Nazis declared). In addition, a small number of Western Allied aviators were sent to concentration camps as punishment for spying.[28] Western Allied POWs who were Jews, or who were suspected of being Jews by the Nazis, were usually sent to ordinary POW camps; however, a small number of them were sent to concentration camps because of antisemitic policies.[29]