A week after they had gone into hiding, the Franks were joined by Otto’s business associate Hermann van Pels (1898-1944), along with his wife Auguste (1900-45) and their son Peter (1926-45), who were also Jewish. A small group of Otto Frank’s employees, including his Austrian-born secretary, Miep Gies (1909-2010), risked their own lives to smuggle food, supplies and news of the outside world into the secret apartment, whose entrance was situated behind a movable bookcase. In November 1942, the Franks and Van Pels were joined by Fritz Pfeffer (1889-1944), Miep Gies’ Jewish dentist.
Officials at the camp obeyed Himmler. In late 1944, theydismantled part of the gas chambers,    forcing, eyewitnesses would later recall, the Sonderkommando—a group of mostly Jewish prisoners who were made to run the gas chambers—to dismantle the structures piece by piece. Then, as the Russians closed in that January, the remaining buildings were destroyed, blown up completely using dynamite. However, the ruins remained.
Mendelian inheritance, or Mendelism, was supported by the Nazis, as well as by mainstream eugenicists of the time. The Mendelian theory of inheritance declared that genetic traits and attributes were passed from one generation to another.[104] Eugenicists used Mendelian inheritance theory to demonstrate the transfer of biological illness and impairments from parents to children, including mental disability, whereas others also utilised Mendelian theory to demonstrate the inheritance of social traits, with racialists claiming a racial nature behind certain general traits such as inventiveness or criminal behaviour.[105]
That Mengele – they call him a doctor, but he was as much a doctor as I’m an army general. A complete fake of a man who I was too scared to look in the eye. I saw him day in, day out for months and was one of 152 Jews in his “care”. One of the experiments he carried out on me was to take blood from my arm and inject it in my rear end. I’ve no idea what that was trying to prove.

The Parteiflagge design, with the centred swastika disc, served as the party flag from 1920. Between 1933 (when the Nazi Party came to power) and 1935, it was used as the National flag (Nationalflagge) and Merchant flag (Handelsflagge), but interchangeably with the black-white-red horizontal tricolour. In 1935, the black-white-red horizontal tricolour was scrapped (again) and the flag with the off-centre swastika and disc was instituted as the national flag, and remained as such until 1945. The flag with the centred disk continued to be used after 1935, but exclusively as the Parteiflagge, the flag of the party.

In 1933, after Adolf Hitler's Nazi Party won the federal election, Edith Frank and the children went to stay with Edith's mother Rosa in Aachen. Otto Frank remained in Frankfurt, but after receiving an offer to start a company in Amsterdam, he moved there to organize the business and to arrange accommodations for his family.[9] He began working at the Opekta Works, a company that sold the fruit extract pectin, and found an apartment on the Merwedeplein (Merwede Square) in the Rivierenbuurt neighbourhood of Amsterdam. By February 1934, Edith and the children had joined him in Amsterdam. The Franks were among 300,000 Jews who fled Germany between 1933 and 1939.[10]
During the Röhm Purge of 30 June to 2 July 1934 (also known as the "Night of the Long Knives"), Hitler disempowered the SA's leadership—most of whom belonged to the Strasserist (national revolutionary) faction within the NSDAP—and ordered them killed. He accused them of having conspired to stage a coup d'état, but it is believed that this was only a pretence to justify the suppression of any intraparty opposition. The purge was executed by the SS, assisted by the Gestapo and Reichswehr units. Aside from Strasserist Nazis, they also murdered anti-Nazi conservative figures like former chancellor Kurt von Schleicher.[84] After this, the SA continued to exist but lost much of its importance, while the role of the SS grew significantly. Formerly only a sub-organisation of the SA, it was made into a separate organisation of the NSDAP in July 1934.[85]
Large segments of the Nazi Party, particularly among the members of the Sturmabteilung (SA), were committed to the party's official socialist, revolutionary and anti-capitalist positions and expected both a social and an economic revolution when the party gained power in 1933.[43] In the period immediately before the Nazi seizure of power, there were even Social Democrats and Communists who switched sides and became known as "Beefsteak Nazis": brown on the outside and red inside.[44] The leader of the SA, Ernst Röhm, pushed for a "second revolution" (the "first revolution" being the Nazis' seizure of power) that would enact socialist policies. Furthermore, Röhm desired that the SA absorb the much smaller German Army into its ranks under his leadership.[43] Once the Nazis achieved power, Röhm's SA was directed by Hitler to violently suppress the parties of the left, but they also began attacks against individuals deemed to be associated with conservative reaction.[45] Hitler saw Röhm's independent actions as violating and possibly threatening his leadership, as well as jeopardising the regime by alienating the conservative President Paul von Hindenburg and the conservative-oriented German Army.[46] This resulted in Hitler purging Röhm and other radical members of the SA in 1934, in what came to be known as the Night of the Long Knives.[46]
Prisoners were crammed into the crumbling barracks and provided only a few hundred calories a day. Most died of starvation, exhaustion and diseases such as typhus and dysentery. Beatings, torture and executions were commonplace. Camp doctors conducted experiments—usually fatal—on prisoners, looking for ways to sterilize women with radiation or toxic chemicals, and studying the effects of extreme cold or starvation on the human body. In the first few years of the camp, 80 percent of new inmates died within two months.
When the Nazi Party emerged from obscurity to become a major political force after 1929, the conservative faction rapidly gained more influence, as wealthy donors took an interest in the Nazis as a potential bulwark against communism.[39] The Nazi Party had previously been financed almost entirely from membership dues, but after 1929 its leadership began actively seeking donations from German industrialists, and Hitler began holding dozens of fundraising meetings with business leaders.[40] In the midst of the Great Depression, facing the possibility of economic ruin on the one hand and a Communist or Social Democratic government on the other hand, German business increasingly turned to Nazism as offering a way out of the situation, by promising a state-driven economy that would support, rather than attack, existing business interests.[41] By January 1933, the Nazi Party had secured the support of important sectors of German industry, mainly among the steel and coal producers, the insurance business and the chemical industry.[42]
The trials began a public debate which in the 1990s led to explicit legislation against Holocaust denial in seven European countries. Around the time of Otto Frank’s death, Ditlieb Felderer, a Holocaust denier from Sweden, published an obscene pornographic pamphlet depicting Anne as a mature seductress and the diary as a pedophilic publication. Evidently Otto Frank never saw the pamphlet and did not manage to sue its writer. At the beginning of the 1990s the Anne Frank Trust, with the aid of other Dutch organizations, sued Faurisson and Verbeke. Finally, in 1998, after the diary underwent extensive technical and graphological examinations for the third time, an Amsterdam court found unequivocally for its authenticity and made denying it a criminal offense.

Pankoke started working for the FBI in the 1980s, spending his first four years as an agent in a small field office in Wisconsin. In 1992, he was transferred to Miami, where he helped build cases against Colombian cartels. After the Sept. 11, 2001, attacks, he was involved in FBI undercover operations, including cases that took him out of the country, he said.

With time, Anne and her diary became universalized. The diary, which in all its translations and editions was at first perceived as simply the story of a young Jewish girl during the Holocaust, gradually became a symbol of suffering humanity, which despite its burden still believed in human values and the basic goodness of human beings. This symbol gradually became ever more remote from the Holocaust, the camps and the Jewish people. Anne herself became a symbol for youth in general, while her father Otto became a father-figure to whom young people wrote from all over the world, sharing his pain on the loss of his family, with no connection to the circumstances under which they died, his Jewishness or national identity. It was Otto Frank himself who began this process of universalization and sterilization with the publication of the diary’s first edition. He deleted portions in which Anne wrote about her physical maturation; her love for Peter van Pels, who was about her own age; the quarrels between members of her family and the insults they exchanged in the pressure cooker in which they lived for two years; and the characteristics and appearances of her fellow fugitives. In 1947 all mention of sex and even immature adolescent infatuations was still taboo. Otto Frank was from a conservative German family of the interwar period, and the loss of his wife and daughters was still too fresh for him to include episodes that might tarnish their memory, even if they were human and natural and occurred in every family. After further reflection, he left pages containing some of the harsher texts with a close friend. These pages were published close to Anne’s seventieth birthday in June 1999, when several biographies of her appeared.
Jewish civil servants lost their jobs in 1933, except for those who had seen military service in World War I. Members of the NSDAP or party supporters were appointed in their place.[201] As part of the process of Gleichschaltung, the Reich Local Government Law of 1935 abolished local elections, and mayors were appointed by the Ministry of the Interior.[202]
Selections for transit were a regular feature at Westerbork. Each Monday evening a train of about 20 cattle wagons would arrive at the camp. A list of one thousand people would be compiled by the Jewish council, which was made up of leaders of the community appointed by the Nazis and forced to carry out the Nazis’ orders. Early on the Tuesday morning those selected would assemble for deportation. After a roll call, they would enter the trains, at least 50 to each wagon, a bucket of water at one end and an empty one for use as a toilet at the other. The doors would close before the train departed for the long journey to the intended destination.

In the 1920s, political opponents of the NSDAP in the German labour movement seized on this and – using the earlier abbreviated term "Sozi" for Sozialist (English: Socialist) as an example[8] – shortened the first part of the NSDAP's name, Nationalsozialistische, to the dismissive "Nazi", in order to associate them with the derogatory use of the term mentioned above.[9][7][10][11][12][13]
It is badly lighted, full of draughts, with the brick floor covered by a layer of mud. The water is not drinkable; it has a revolting smell and often fails for many hours. The walls are covered by curious didactic frescoes: for example, there is the good Häftling [prisoner], portrayed stripped to the waist, about to diligently soap his sheared and rosy cranium, and the bad Häftling, with a strong Semitic nose and a greenish colour, bundled up in his ostentatiously stained clothes with a beret on his head, who cautiously dips a finger into the water of the washbasin. Under the first is written: "So bist du rein" (like this you are clean), and under the second, "So gehst du ein" (like this you come to a bad end); and lower down, in doubtful French but in Gothic script: "La propreté, c'est la santé" [cleanliness is health].[108]
From 1942, the SS reorganised the concentration camp administration to mobilise the millions of prisoners within the camps. The Nazis established hundreds of sub-camps across Europe. The Auschwitz camp complex contained over 40 sub-camps that housed thousands of Jewish prisoners to work as forced labour in the coalmines, various munitions factories and the I.G. Farben synthetic rubber plant at Buna Monovitz.
Forced-Labor Camps and transit camps: Forced labor camps were utilized for pointless and humiliating labor, imposed on prisoners without proper equipment, clothing, nourishment, or rest. Transit camps functioned as temporary holding facilities for Jews awaiting deportation. These camps were usually the last stop before deportations to a killing center. There were 1,830 forced labor and transit camps.

Otto, the only survivor of the Franks, returned to Amsterdam after the war to find that her diary had been saved by his secretary, Miep Gies, and his efforts led to its publication in 1947. It was translated from its original Dutch version and first published in English in 1952 as The Diary of a Young Girl, and has since been translated into over 60 languages.

In 2015, Flemish journalist Jeroen de Bruyn and Joop van Wijk, Bep Voskuijl's youngest son, wrote a biography, Bep Voskuijl, het zwijgen voorbij: een biografie van de jongste helper van het Achterhuis (Bep Voskuijl, the Silence is Over: A Biography of the Youngest Helper of the Secret Annex), in which they alleged that Bep's younger sister Nelly (1923–2001) could have betrayed the Frank family. According to the book, Bep's sister Diny and her fiancé Bertus Hulsman recollected Nelly telephoning the Gestapo on the morning of 4 August 1944.[42][43] Nelly had been critical of Bep and their father, Johannes Voskuijl, helping the Jews. (Johannes was the one who constructed the bookcase covering the entrance to the hiding place.)[44] Nelly was a Nazi collaborator between the ages of 19 and 23.[45] Karl Silberbauer, the SS officer who received the phone call and made the arrest, was documented to say that the informer had "the voice of a young woman".[43]
In December 1942, Professor Carl Clauberg came to the deathcamp Auschwitz and started his medical experimental activities. He injected chemical substances into wombs during his experiments. Thousands of Jewish and Gypsy women were subjected to this treatment. They were sterilized by the injections, producing horrible pain, inflamed ovaries, bursting spasms in the stomach, and bleeding. The injections seriously damaged the ovaries of the victims, which were then removed and sent to Berlin.

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.

Another method was the use of gassing trucks. In Chemno gassing trucks were used, where Jews, after being driven into the trucks, were suffocated by the exhaust fumes that were led into them in the truck. A third method was mass shooting of Jews and other groups (Soviet POW’s, Poles, etc.). In Majdanek, on 3-4 November 1943, between 17,000 and 18,000 Jews were killed in one day as part of a mass shooting. The event was called Erntefest (‘harvest feast’) and included similar actions all around the Lublin District. More than 40,000 Jews died as a result.
The NSDAP was a far-right political party which arose during the social and financial upheavals that occurred following the end of World War I. The NSDAP remained small and marginalised, receiving 2.6% of the federal vote in 1928, prior to the onset of the Great Depression in 1929.[178] By 1930 the NSDAP won 18.3% of the federal vote, making it the Reichstag's second largest political party.[179] While in prison after the failed Beer Hall Putsch of 1923, Hitler wrote Mein Kampf, which laid out his plan for transforming German society into one based on race.[180] Nazi ideology brought together elements of antisemitism, racial hygiene, and eugenics, and combined them with pan-Germanism and territorial expansionism with the goal of obtaining more Lebensraum for the Germanic people.[181] The regime attempted to obtain this new territory by attacking Poland and the Soviet Union, intending to deport or kill the Jews and Slavs living there, who were viewed as being inferior to the Aryan master race and part of a Jewish-Bolshevik conspiracy.[182][183] The Nazi regime believed that only Germany could defeat the forces of Bolshevism and save humanity from world domination by International Jewry.[184] Other people deemed life unworthy of life by the Nazis included the mentally and physically disabled, Romani people, homosexuals, Jehovah's Witnesses, and social misfits.[185][186]

But, in May 1944, a railroad spur line was built right into the camp to accelerate and simplify the handling of the tens of thousands of Hungarian and other Jews deported in the spring and summer of 1944. From then to November 1944, when all the other death camps had been abandoned, Birkenau surpassed all previous records for mass killing. The Hungarian deportations and the liquidation of the remaining Polish ghettos, such as Lodz, resulted in the gassing of 585,000 Jews. This period made Auschwitz-Birkenau into the most notorious killing site of all time.
After 1942, many small subcamps were set up near factories to provide forced labor. IG Farben established a synthetic rubber plant in 1942 at Monowitz concentration camp (Auschwitz III); other camps were set up next to airplane factories, coal mines and rocket propellant plants. Conditions were brutal and prisoners were often sent to the gas chambers or killed on site if they did not work quickly enough.