Measuring 270 by 490 metres (890 ft × 1,610 ft), the camp was larger than Auschwitz I. By the end of 1944, it housed 60 barracks measuring 17.5 by 8 metres (57 ft × 26 ft), each with a day room and a sleeping room containing 56 three-tiered wooden bunks.[58] IG Farben paid the SS three or four Reichsmark for nine- to eleven-hour shifts from each worker.[59] In 1943–1944, about 35,000 inmates worked at the plant; 23,000 (32 a day on average) died as a result of malnutrition, disease, and the workload.[60] Deaths and transfers to Birkenau reduced the population by nearly a fifth each month;[61] site managers constantly threatened inmates with the gas chambers.[59] In addition to the Auschwitz inmates, who comprised a third of the work force, IG Auschwitz employed slave laborers from all over Europe.[62] When the camp was liquidated in January 1945, 9,054 out of the 9,792 inmates were Jews.[63]
In March 1943, the Krakow ghetto was being liquidated, and all the remaining Jews were being moved to the forced-labor camp of Plaszow, outside Krakow.  Schindler prevailed upon SS-Haupsturmführer Amon Goeth, the brutal camp commandant and a personal drinking companion, to allow him to set up a special sub-camp for his own Jewish workers at the factory site in Zablocie. There he was better able to keep the Jews under relatively tolerable conditions, augmenting their below-subsistence diet with food bought on the black market with his own money. The factory compound was declared out of bounds for the SS guards who kept watch over the sub-camp.
Peter Hayes (How Was It Possible? A Holocaust Reader, 2015): "The Holocaust, the Nazi attempt to eradicate the Jews of Europe, has come to be regarded as the emblematic event of Twentieth Century ... Hitler's ideology depicted the Jews as uniquely dangerous to Germany and therefore uniquely destined to disappear completely from the Reich and all territories subordinate to it. The threat posted by supposedly corrupting but generally powerless Sinti and Roma was far less, and therefore addressed inconsistently in the Nazi realm. Gay men were defined as a problem only if they were German or having sex with Germans or having sex with Germans and considered 'curable' in most cases. ... Germany's murderous intent toward the handicapped inhabitants of European mental institutions ... was more comprehensive ... but here, too, implementation was uneven and life-saving exceptions permitted, especially in Western Europe. Not only were some Slavs—Slovaks, Croats, Bulgarians, some Ukrainians—allotted a favored place in Hitler's New Order, but the fate of most of the other Slavs the Nazis derided as sub-humans ... consisted of enslavement and gradual attrition, not the prompt massacre meted out to the Jews after 1941."[20]
The gate house at Birkeanu is located three kilometers, or about two miles, from the main Auschwitz camp, known as Auschwitz I. To get to the Birkenau camp from the main camp, turn right after exiting from the parking lot. The road curves to the left and goes over the railroad overpass where Reichsführer Heinrich Himmler stood on March 1, 1941 when he selected the village of Birkenau to be the location of a new addition to the Auschwitz camp. At that time, the invasion of the Soviet Union and the plan to exterminate all the Jews in Europe was only months away.
The Roma refer to the genocide of the Romani people as the Pořajmos.[414] Because they are traditionally a private people with a culture based on oral history, less is known about their experience than that of any other group.[415] Bauer writes that this can be attributed to the Roma's distrust and suspicion, and to their humiliation because some of the taboos in Romani culture regarding hygiene and sex were violated at Auschwitz.[416] In May 1942, the Roma were placed under similar laws to the Jews. On 16 December 1942, Himmler issued a decree that "Gypsy Mischlinge [mixed breeds], Roma Gypsies, and members of the clans of Balkan origins who are not of German blood" should be sent to Auschwitz, unless they had served in the Wehrmacht.[417] He adjusted the order on 15 November 1943; in the occupied Soviet areas, "sedentary Gypsies and part-Gypsies are to be treated as citizens of the country. Nomadic Gypsies and part-Gypsies are to be placed on the same level as Jews and placed in concentration camps."[418] Bauer argues that this adjustment reflected Nazi ideology that the Roma, originally an Aryan population, had been "spoiled" by non-Romani blood.[419]
During the era of the Holocaust, German authorities also targeted other groups because of their perceived racial and biological inferiority: Roma (Gypsies), people with disabilities, and some of the Slavic peoples (Poles, Russians, and others). Other groups were persecuted on political, ideological, and behavioral grounds, among them Communists, Socialists, Jehovah's Witnesses, and homosexuals.
Each of the trains carried in excess of a thousand victims. Prisoners had been packed into cattle wagons with no room to sit, no food and two buckets: one for water and another to use as a toilet. The journey could last days on end, with the prisoners not knowing where they were passing through or where they were going. Many victims died during the journey as a result of suffocation, illness or hunger.

While blitzkrieg was a tactic focused on speed, it would be wrong for any bedroom strategist (like myself) to focus on that characteristic alone and to conclude that speed is all that matters. It is definitely important, but it is important to look deeper at this tactic in order to understand why speed was important in the first place, the core principles behind the strike and how you can employ equivalent tactics in the business world.

Guderian argued that the tank would be the decisive weapon of the next war. "If the tanks succeed, then victory follows", he wrote. In an article addressed to critics of tank warfare, he wrote "until our critics can produce some new and better method of making a successful land attack other than self-massacre, we shall continue to maintain our beliefs that tanks—properly employed, needless to say—are today the best means available for land attack." Addressing the faster rate at which defenders could reinforce an area than attackers could penetrate it during the First World War, Guderian wrote that "since reserve forces will now be motorized, the building up of new defensive fronts is easier than it used to be; the chances of an offensive based on the timetable of artillery and infantry co-operation are, as a result, even slighter today than they were in the last war." He continued, "We believe that by attacking with tanks we can achieve a higher rate of movement than has been hitherto obtainable, and—what is perhaps even more important—that we can keep moving once a breakthrough has been made."[154][l] Guderian additionally required that tactical radios be widely used to facilitate coordination and command by having one installed in all tanks.

The Holocaust was the murder by Nazi Germany of six million Jews. While the Nazi persecution of the Jews began in 1933, the mass murder was committed during World War II. It took the Germans and their accomplices four and a half years to murder six million Jews. They were at their most efficient from April to November 1942 – 250 days in which they murdered some two and a half million Jews. They never showed any restraint, they slowed down only when they began to run out of Jews to kill, and they only stopped when the Allies defeated them. More...

In October 1939 Hitler signed a "euthanasia decree" backdated to 1 September 1939 that authorized Reichsleiter Philipp Bouhler, the chief of Hitler's Chancellery, and Karl Brandt, Hitler's personal physician, to carry out a program of involuntary "euthanasia"; after the war this program was named Aktion T4.[98] It was named after Tiergartenstraße 4, the address of a villa in the Berlin borough of Tiergarten, where the various organizations involved were headquartered.[99] T4 was mainly directed at adults, but the "euthanasia" of children was also carried out.[100] Between 1939 and 1941, 80,000 to 100,000 mentally ill adults in institutions were killed, as were 5,000 children and 1,000 Jews, also in institutions. In addition there were specialized killing centres, where the deaths were estimated at 20,000, according to Georg Renno, the deputy director of Schloss Hartheim, one of the "euthanasia" centers, or 400,000, according to Frank Zeireis, the commandant of the Mauthausen concentration camp.[101] Overall, the number of mentally and physically handicapped murdered was about 150,000.[102]
The Germans turned again, fighting their way north to secure the coastal ports and annihilate the trapped armies. Miraculously, the German high command called a halt to the advance. The reprieve lasted 48 hours, long enough for the British to defend Dunkirk and evacuate what they could of the Allied armies. The Germans entered Paris on June 14. In a humiliating ceremony on June 22, France signed an armistice with Germany, leaving Britain to carry on the fight alone.
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The concept of blitzkrieg was formed by Prussian military tactics of the early 19th century, which recognized that victory could come only through forceful and swift action because of Prussia’s relatively limited economic resources. It had its origins with the Schwerpunktprinzip (“concentration principle”) proposed by Carl von Clausewitz in his seminal work On War (1832). Having studied generals who predated Napoleon, Clausewitz found that commanders of various armies had dispersed their forces without focused reasoning, which resulted in those forces’ being used inefficiently. So as to eliminate that wasteful use of manpower, he advocated for a concentration of force against an enemy. All employment of force should have an effective concentration in a single moment, with a single action, Clausewitz argued. Clausewitz called that concentration the Schwerpunkt (“centre of gravity”) where it was most dense, identifying it as the effective target for attack.
At Auschwitz I, the majority of the complex has remained intact. The architecture of the camp consisted mostly of pre-existing buildings converted by the Nazis to serve new functions. The preserved architecture, spaces and layout still recall the historical functions of the individual elements in their entirety. The interiors of some of the buildings have been modified to adapt them to commemorative purposes, but the external façades of these buildings remain unchanged.

On 25 November 1947, the Auschwitz trial began in Kraków, when Poland's Supreme National Tribunal brought to court 40 former Auschwitz staff. The trial's defendants included commandant Arthur Liebehenschel, women's camp leader Maria Mandel, and camp leader Hans Aumeier. The trials ended on 22 December 1947, with 23 death sentences, 7 life sentences, and 9 prison sentences ranging from three to fifteen years. Hans Münch, an SS doctor who had several former prisoners testify on his behalf, was the only person to be acquitted.[267]
This is not a pleasant site, not one that will distract from the pressures of everyday existence. But Birkenau, the largest and most lethal of the Auschwitz camps, is as much a part of the world as any aspiration for freedom and peace. In this sense, the authors and publishers of this exhibition feel we need to constantly explore this place and the ideas that created it, in the hope that eventually we will understand why people do such terrible things to other human beings, and why some were able, despite the tremendous role luck played, to find the strength to survive it. The search for this kind of meaning has, as paradoxical as it may sound, enriched our lives.
Following Germany's military reforms of the 1920s, Heinz Guderian emerged as a strong proponent of mechanised forces. Within the Inspectorate of Transport Troops, Guderian and colleagues performed theoretical and field exercise work. Guderian met with opposition from some in the General Staff, who were distrustful of the new weapons and who continued to view the infantry as the primary weapon of the army. Among them, Guderian claimed, was Chief of the General Staff Ludwig Beck (1935–38), whom he alleged was sceptical that armoured forces could be decisive. This claim has been disputed by later historians. James Corum wrote:
Despite being common in German and English-language journalism during World War II, the word Blitzkrieg was never used by the Wehrmacht as an official military term, except for propaganda.[9] According to David Reynolds, "Hitler himself called the term Blitzkrieg 'A completely idiotic word' (ein ganz blödsinniges Wort)".[11] Some senior officers, including Kurt Student, Franz Halder and Johann Adolf von Kielmansegg, even disputed the idea that it was a military concept. Kielmansegg asserted that what many regarded as blitzkrieg was nothing more than "ad hoc solutions that simply popped out of the prevailing situation". Student described it as ideas that "naturally emerged from the existing circumstances" as a response to operational challenges.[12] The Wehrmacht never officially adopted it as a concept or doctrine.[a]

Almost all Jews within areas occupied by the Germans were killed. There were 3,020,000 Jews in the Soviet Union in 1939, and the losses were 1–1.1 million.[400] Around one million Jews were killed by the Einsatzgruppen in the occupied Soviet territories.[401][402] Of Poland's 3.3 million Jews, about 90 percent were killed.[369] Many more died in the ghettos of Poland before they could be deported.[403] The death camps accounted for half the number of Jews killed; 80–90 percent of death-camp victims are estimated to have been Jews.[394] At Auschwitz-Birkenau the Jewish death toll was 1.1 million;[286][404] Treblinka 870,000–925,000;[405] Bełżec 434,000–600,000;[406][287] Chełmno 152,000–320,000;[407][288] Sobibór 170,000–250,000;[408][291] and Majdanek 79,000.[289]

At the three Reinhard camps the victims were killed by the exhaust fumes of stationary diesel engines.[279] Gold fillings were pulled from the corpses before burial, but the women's hair was cut before death. At Treblinka, to calm the victims, the arrival platform was made to look like a train station, complete with fake clock.[300] Majdanek used Zyklon-B gas in its gas chambers.[301] In contrast to Auschwitz, the three Reinhard camps were quite small.[302] Most of the victims at these camps were buried in pits at first. Sobibór and Bełżec began exhuming and burning bodies in late 1942, to hide the evidence, as did Treblinka in March 1943. The bodies were burned in open fireplaces and the remaining bones crushed into powder.[303]
Auschwitz, also known as Auschwitz-Birkenau, opened in 1940 and was the largest of the Nazi concentration and death camps. Located in southern Poland, Auschwitz initially served as a detention center for political prisoners. However, it evolved into a network of camps where Jewish people and other perceived enemies of the Nazi state were exterminated, often in gas chambers, or used as slave labor. Some prisoners were also subjected to barbaric medical experiments led by Josef Mengele (1911-79). During World War II (1939-45), more than 1 million people, by some accounts, lost their lives at Auschwitz. In January 1945, with the Soviet army approaching, Nazi officials ordered the camp abandoned and sent an estimated 60,000 prisoners on a forced march to other locations. When the Soviets entered Auschwitz, they found thousands of emaciated detainees and piles of corpses left behind.
The Polish government-in-exile in London learned about the extermination camps from the Polish leadership in Warsaw, who from 1940 "received a continual flow of information about Auschwitz", according to historian Michael Fleming.[333] This was in large measure thanks to Captain Witold Pilecki of the Polish Home Army, who allowed himself to be arrested in Warsaw and spent 945 days in Auschwitz from September 1940 until April 1943, organizing the resistance movement inside the camp.[334]

After those initial German successes, the Allies adopted this form of warfare with great success, beginning with Stalingrad and subsequently used by commanders such as U.S. Gen. George Patton in the European operations of 1944. The Germans’ last successful Kessel campaign was against the British paratroops at Arnhem, Netherlands, an encirclement that came to be known as the Hexenkessel (“witches’ cauldron”). By the end of the war, Germany found itself defeated by the strategic (Schwerpunkt) and tactical (Kesselschlacht) concepts that had initially brought it such success. German armies were destroyed at Falaise in France, the Scheldt in the Netherlands, and the Bulge in Belgium and on the Eastern Front at Cherkasy (in modern Ukraine), Memel (now Klaipėda, Lithuania), and Halbe, Germany. The last great battle of World War II fought using blitzkrieg tactics was the Battle of Berlin (April 1945).
Before the Nazis began their mass slaughter of Jews, they created a number of laws that separated Jews from society. Especially potent was the law that forced all Jews to wear a yellow star upon their clothing. The Nazis also made laws that made it illegal for Jews to sit or eat in certain places and placed a boycott on Jewish-owned stores. Learn more about the persecution of Jews before the death camps.
The prosecution entered indictments against 24 major war criminals[z] and seven organizations—the leadership of the Nazi party, the Reich Cabinet, the Schutzstaffel (SS), Sicherheitsdienst (SD), the Gestapo, the Sturmabteilung (SA) and the "General Staff and High Command". The indictments were for: participation in a common plan or conspiracy for the accomplishment of a crime against peace; planning, initiating and waging wars of aggression and other crimes against peace; war crimes; and crimes against humanity. The tribunal passed judgements ranging from acquittal to death by hanging.[458] Eleven defendants were executed, including Joachim von Ribbentrop, Wilhelm Keitel, Alfred Rosenberg, and Alfred Jodl. Ribbentrop, the judgement declared, "played an important part in Hitler's 'final solution of the Jewish question'".[459]
Entrance is free, without a ticket, though donations are encouraged. Because of the large numbers of visitors entry to the Auschwitz-I site is exclusively on a guided group basis during the middle part of the day - as of 2019, between 10am and 12pm during December, between 10am and 1pm in November, January, February and March, between 10am and 4pm in April, May, September and October, and between 9am and 5pm in June, July and August.
Schindler first arrived in Kraków in October 1939, on Abwehr business, and took an apartment the following month. Emilie maintained the apartment in Ostrava and visited Oskar in Kraków at least once a week.[18][19] In November 1939, he contacted interior decorator Mila Pfefferberg to decorate his new apartment. Her son, Leopold "Poldek" Pfefferberg, soon became one of his contacts for black market trading. They eventually became lifelong friends.[20]