As the tide of World War II turned against the Nazis, they began a systematic plan to eliminate or "liquidate" the ghettos they had established, by a combination of mass murder on the spot and transferring the remaining residents to extermination camps. When the Nazis attempted to liquidate the Warsaw Ghetto on April 13, 1943, the remaining Jews fought back in what has become known as the Warsaw Ghetto Uprising. The Jewish resistance fighters held out against the entire Nazi regime for 28 days, longer than many European countries had been able to withstand Nazi conquest.

Notable memoirists of the camp include Primo Levi, Elie Wiesel, and Tadeusz Borowski.[195] Levi's If This is a Man, first published in Italy in 1947 as Se questo è un uomo, became a classic of Holocaust literature, an "imperishable masterpiece".[275][h] Wiesel wrote about his imprisonment at Auschwitz in Night (1960) and other works, and became a prominent spokesman against ethnic violence; in 1986, he was awarded the Nobel Peace Prize.[277] Camp survivor Simone Veil was later elected President of the European Parliament, serving from 1979 to 1982.[278] Two Auschwitz victims—Maximilian Kolbe, a priest who volunteered to die by starvation in place of a stranger, and Edith Stein, a Jewish convert to Catholicism—were later named saints of the Catholic Church.[279]

Repeat selections took place several times during the day in roll calls. Inmates who had become weak or ill were separated from the ranks and sent to the gas chambers. A brutal regimen based on a set of punishments and torture was invoked in the camp. Few managed to survive. In Auschwitz-Birkenau, more than 1,100,000 Jews, 70,000 Poles, 25,000 Sinti and Roma (Gypsies) and some 15,000 prisoners of war from the USSR and other countries were murdered.
One element that was lacking from the German army in 1914 was the ability to move long distances quickly. Had the German army been mechanised at the outbreak of World War One, it is likely that the outcome of the war would have been very different. As things were then, the German army was unable to defeat its enemies decisively in the war's early battles, and reluctantly settled into trench warfare in late 1914.
Oskar Schindler is a vainglorious and greedy German businessman who becomes an unlikely humanitarian amid the barbaric German Nazi reign when he feels compelled to turn his factory into a refuge for Jews. Based on the true story of Oskar Schindler who managed to save about 1100 Jews from being gassed at the Auschwitz concentration camp, it is a testament to the good in all of us. Written by Harald Mayr
Meanwhile, beginning in the fall of 1939, Nazi officials selected around 70,000 Germans institutionalized for mental illness or disabilities to be gassed to death in the so-called Euthanasia Program. After prominent German religious leaders protested, Hitler put an end to the program in August 1941, though killings of the disabled continued in secrecy, and by 1945 some 275,000 people deemed handicapped from all over Europe had been killed. In hindsight, it seems clear that the Euthanasia Program functioned as a pilot for the Holocaust.
When asked, Schindler told that his metamorphosis during the war was sparked by the shocking immensity of the Final Solution. In his own words: "I hated the brutality, the sadism, and the insanity of Nazism. I just couldn't stand by and see people destroyed. I did what I could, what I had to do, what my conscience told me I must do. That's all there is to it. Really, nothing more."

On September 21, 1939, Reinhard Heydrich ordered the establishment of the Judenräte (“Jewish Councils”), comprising up to 24 men—rabbis and Jewish leaders. Heydrich’s order made these councils personally responsible in “the literal sense of the term” for carrying out German orders. When the Nazis sealed the Warsaw Ghetto, the largest of German-occupied Poland’s 400 ghettos, in the fall of 1940, the Jews—then 30 percent of Warsaw’s population—were forced into 2.4 percent of the city’s area. The ghetto’s population reached a density of more than 200,000 persons per square mile (77,000 per square km) and 9.2 per room. Disease, malnutrition, hunger, and poverty took their toll even before the first bullet was fired.
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]

Blitzkrieg was not a doctrine, or an operational scheme, or even a tactical system. In fact, it simply doesn’t exist, at least not in the way we usually think it does. The Germans never used the term Blitzkrieg in any precise sense, and almost never used it outside of quotations. It simply meant a rapid and decisive victory (lightning war)... The Germans didn’t invent anything new in the interwar period, but rather used new technologies like tanks and air and radio-controlled command to restore an old way of war that they still found to be valid, Bewegungskrieg.[118]

After some time off to recover in Zwittau, Schindler was promoted to second in command of his Abwehr unit and relocated with his wife to Ostrava, on the Czech-Polish border, in January 1939.[13] He was involved in espionage in the months leading up to Hitler's seizure of the remainder of Czechoslovakia in March. Emilie helped him with paperwork, processing and hiding secret documents in their apartment for the Abwehr office.[14] As Schindler frequently travelled to Poland on business, he and his 25 agents were in a position to collect information about Polish military activities and railways for the planned invasion of Poland.[15] One assignment called for his unit to monitor and provide information about the railway line and tunnel in the Jablunkov Pass, deemed critical for the movement of German troops.[16] Schindler continued to work for the Abwehr until as late as fall 1940, when he was sent to Turkey to investigate corruption among the Abwehr officers assigned to the German embassy there.[17]