Marked by fierce close quarters combat and direct assaults on civilians in air raids, it is often regarded as the single largest (nearly 2.2 million personnel) and bloodiest (1.8–2 million killed, wounded or captured) battle in the history of warfare. It was an extremely costly defeat for German forces, and the Army High Command had to withdraw vast military forces from the West to replace their losses.

The camp was continually expanded over the next five years and ultimately consisted of three main parts: Auschwitz I, Auschwitz II-Birkenau, and Auschwitz III-Monowitz. Auschwitz-Birkenau also had over 40 sub-camps in the neighboring cities and in the surrounding area. Initially, only Poles and Jews were imprisoned, enslaved and murdered in the camp. Subsequently, Soviet prisoners of war (POWs), Romani/Sinti (Gypsies), and prisoners of other nationalities and minorities were also incarcerated, enslaved and murdered there.

Ultimately, three SS guards were killed—one of whom was burned alive by the prisoners in the oven of Crematorium II[230]—and 451 Sonderkommandos were killed.[232][233] Hundreds of prisoners escaped, but all were soon captured and executed, along with an additional group who had participated in the revolt.[230] Crematorium IV was destroyed in the fighting. A group of prisoners in the gas chamber of Crematorium V was spared in the chaos.[231][230]
The Auschwitz concentration camp (Konzentrationslager Auschwitz) was a complex of over 40 concentration and extermination camps built and operated by Nazi Germany in occupied Poland during World War II and the Holocaust. It consisted of Auschwitz I, the main camp (Stammlager) and administrative headquarters, in Oświęcim; Auschwitz II–Birkenau, a combined concentration/extermination camp three kilometers away in Brzezinka; Auschwitz III–Monowitz, a labor camp seven kilometers from Auschwitz I, set up to staff an IG Farben synthetic-rubber factory; and dozens of other subcamps.[2]

The group raced to the English Channel, reaching the coast at Abbeville and cut off the BEF, the Belgian Army and some of the best-equipped divisions of the French Army in northern France. Armoured and motorised units under Guderian, Rommel and others, advanced far beyond the marching and horse-drawn infantry divisions and far in excess of that with which Hitler and the German high command expected or wished. When the Allies counter-attacked at Arras using the heavily armoured British Matilda I and Matilda II tanks, a brief panic was created in the German High Command. The armoured and motorised forces were halted by Hitler outside the port of Dunkirk, which was being used to evacuate the Allied forces. Hermann Göring promised that the Luftwaffe would complete the destruction of the encircled armies but aerial operations failed to prevent the evacuation of the majority of the Allied troops. In Operation Dynamo some 330,000 French and British troops escaped.[87]

The first gassings at Auschwitz took place in early September 1941, when around 850 inmates—Soviet prisoners of war and sick Polish inmates—were killed with Zyklon B in the basement of block 11 in Auschwitz I. The building proved unsuitable, so gassings were conducted instead in crematorium I, also in at Auschwitz I, which operated until December 1942. There, more than 700 victims could be killed at once.[157] Tens of thousands were killed in crematorium I.[158] To keep the victims calm, they were told they were to undergo disinfection and de-lousing; they were ordered to undress outside, then were locked in the building and gassed. After its decommissioning as a gas chamber, the building was converted to a storage facility and later served as an SS air raid shelter.[159] The gas chamber and crematorium were reconstructed after the war. Dwork and van Pelt write that a chimney was recreated; four openings in the roof were installed to show where the Zyklon B had entered; and two of the three furnaces were rebuilt with the original components.[160]
Norman Stone detects early Blitzkrieg operations in offensives by the French generals Charles Mangin and Marie-Eugène Debeney in 1918.[e] However, French doctrine in the interwar years became defence-oriented. Colonel Charles de Gaulle advocated concentration of armour and aeroplanes. His opinions appeared in his book Vers l'Armée de Métier (Towards the Professional Army, 1933). Like von Seeckt, de Gaulle concluded that France could no longer maintain the huge armies of conscripts and reservists which had fought World War I, and he sought to use tanks, mechanised forces and aircraft to allow a smaller number of highly-trained soldiers to have greater impact in battle. His views little endeared him to the French high command, but are claimed by some[who?] to have influenced Heinz Guderian.[47]
Remarkably, there were instances of individual resistance and collective efforts at fighting back inside Auschwitz. Poles, Communists and other national groups established networks in the main camp. Some Jews assaulted Nazi guards, even at the entrance to the gas chambers. In October 1944, the Sonderkommando crew at crematoria IV revolted and destroyed the crematoria. It was never used again.
Although the factory had been expected to begin production in 1943, shortages of labor and raw materials meant start-up had to be postponed repeatedly.[64] The Allies bombed the plant in 1944 on 20 August, 13 September, 18 December, and again on 26 December. On 19 January 1945, the SS ordered that the site be evacuated, sending 9,000 inmates on a death march to another Auschwitz subcamp at Gliwice.[65] The plant had almost been ready to commence production.[66] From Gliwice, prisoners were taken by rail in open freight wagons to Buchenwald and Mauthausen concentration camps. The 800 inmates who had been left behind in the Monowitz hospital were liberated on 27 January 1945 by the 1st Ukrainian Front of the Red Army.[67]
At this time only the main camp, later known as Auschwitz I, had been established. Himmler ordered the construction of a second camp for 100,000 inmates on the site of the village of Brzezinka, roughly two miles from the main camp. This second camp, now known as Birkenau or Auschwitz II, was initially intended to be filled with captured Russian POWs who would provide the slave labor to build the SS “utopia” in Upper Silesia. Chemical giant I G Farben expressed an interest in utilizing this labor force, and extensive construction work began in October 1941 under terrible conditions and with massive loss of life. About 10,000 Russian POWs died in this process. The greater part of the apparatus of mass extermination was eventually built in the Birkenau camp and the majority of the victims were murdered here.
Born in Baden-Baden in 1900,[78] SS Obersturmbannführer Rudolf Höss became the first commandant of Auschwitz when the camp was founded in April 1940,[79] living with his wife and children in a villa just outside the camp grounds.[80] Appointed by Heinrich Himmler, he served until 11 November 1943, when he became director of Office DI of the SS-Wirtschafts-und Verwaltungshauptamt (SS Business and Administration Head Office or WVHA) in Oranienburg.[79] This post made Höss deputy of the Concentration Camps Inspectorate, under SS-Gruppenführer Richard Glücks.[81] He returned to Auschwitz between 8 May and 29 July 1944 as commander of the SS garrison (Standortältester) to oversee the arrival of Hungary's Jews, a post that made him the superior officer of all the commandants of the Auschwitz camps.[82]
The photo above shows the gate house which is the main entrance into Birkenau, also known as the Auschwitz II concentration camp. Beginning around the middle of May 1944, freight trains that were 40 to 50 cars long rolled through this gate, day and night, bringing thousands of Hungarian Jews to be gassed at the four Birkenau gas chambers. The prisoners called it the "Gate of Death."
Once Germany took over Poland in 1939, it created forced-labor camps. Thousands of prisoners died from working conditions, exhaustion, and starvation. After the outbreak of World War II, the number of concentration camps increased exponentially. The number of prisoners of war camps also rose, but after the first years of the war most were converted into concentration camps. Nazis forcibly relocated Jews from ghettos to concentration camps.
The period between Germany's defeat of Poland in October 1939 and her invasion of Norway in April 1940 is often referred to as the "Phony War." Not much happened. The French stiffened their defenses while the British moved troops to the continent. The British wanted to send their air force to bomb targets inside Germany but were persuaded not to by the French who feared German reprisal. The major activity consisted of dueling propaganda messages blared from loud speakers across the German and French lines.
The site was first suggested as a concentration camp for Polish prisoners by SS-Oberführer Arpad Wigand, an aide to Erich von dem Bach-Zelewski, Higher SS and Police Leader for Silesia. After this part of Poland was annexed by Nazi Germany, Oświęcim (Auschwitz) was located administratively in Germany, in the Province of Upper Silesia, Regierungsbezirk Kattowitz, Landkreis Bielitz. Bach-Zelewski had been searching for a site to hold prisoners in the Silesia region, as the local prisons were filled to capacity. Richard Glücks, head of the Concentration Camps Inspectorate, sent former Sachsenhausen concentration camp commandant Walter Eisfeld to inspect the site, which housed 16 dilapidated one-story buildings that had served as an Austrian and later Polish Army barracks and a camp for transient workers.[3] German citizens were offered tax concessions and other benefits if they would relocate to the area.[33] By October 1943, more than 6,000 Reich Germans had arrived.[34] The Nazis planned to build a model modern residential area for incoming Germans, including schools, playing fields, and other amenities. Some of the plans went forward, including the construction of several hundred apartments, but many were never fully implemented.[35] Basic amenities such as water and sewage disposal were inadequate, and water-borne illnesses were commonplace.[36]
Under Laks' more positive leadership, the orchestra began to increase in size again.  His efforts won his musicians easier work assignments and a dispensation not to play outdoors in bad weather.  By the end of 1943, there were about forty members, including many Jews, from France, Germany, Poland, the Netherlands and Greece.  They included Henry Meyer, Louis Bannet, and Jacques Stroumsa.
While there will always be those who question the motives of others, those who have examined Schindler’s efforts find him heroic. “The defining measure of Schindler’s commitment to doing everything possible to save his Jewish workers came in the fall of 1944, when Oskar chose to risk everything to move his armaments factory to Brunnlitz,” writes David Crowe, citing Dr. Moshe Bejski, who was saved by Oskar Schindler during the Holocaust. “Oskar could easily have closed his Krakow operations and retreated westward with the profits he had already made. Instead, he chose to risk his life and his money to save as many Jews as he could.”
After Schindler got a good grip on the art of hydraulic and traction elevators in the US, they came out with the 300A (in-ground hydraulic), then later the 321A (a holeless telescoping hydraulic model). Both models were then superseded by the 330A (released March 15, 2001), which comes in the standard in-ground system as well as the Holeless Telescoping Hydraulic system. The 330A Holeless Telescoping Hydraulic elevator is based off the design that DEVE used in Sweden (also used in Australia and the United Kingdom[4] [5]), whereby the hydraulic pistons are inverted (turned up-side down) and the casing is mounted to the side of the elevator car. This model comes in both single-post and twin-post models. After the 330A came the 400A Traction elevator system which comes in MRL, standard MRA (Machine room Above) and MRS (Machine room on Side), and has since been improved and now known as 400AE (AE which is stand for Advanced Editon.). This model has a capacity of up to 4000lbs or 1818KG travelling at up to 500fpm or 2.5m/s and can be integrated with Schindler Miconic 10 or PORT Destination Dispatch systems. 500A mid to high rise model in the United States launched in 2001.

Conventional wisdom traces blitzkrieg, “lightning war,” to the development in Germany between 1918 and 1939 of a body of doctrine using mobility to prevent repetition of the attritional deadlock of World War I. Soldiers such as Hans von Seeckt and Heinz Guderian allegedly perceived more clearly than their counterparts elsewhere in Europe the military potential of the internal-combustion engine combined with modern communications technology. Large formations moving on tracks and wheels, directed by radios, could rupture an enemy’s front and so disorganize its rear that countermeasures would be paralyzed. First tested in Poland, the concept reached perihelion in France and the Low Countries in 1940, when in less than six weeks the German army crushed the combined forces of four nations. Applied a year later against the Soviet Union, blitzkrieg purportedly brought the Wehrmacht to the gates of Moscow in six months. Some accounts insist that only Adolf Hitler’s incompetent interference tipped the war’s balance so far against Germany that even blitzkrieg’s most sophisticated refinements could do no more than stave off the Reich’s collapse.
In the spring of 1941, German conglomerate I.G. Farben established a factory in which its executives intended to exploit concentration camp labor to manufacture synthetic rubber and fuels. I.G. Farben invested more than 700 million Reichsmarks (about 2.8 million US dollars in 1941 terms) in Auschwitz III. From May 1941 until July 1942, the SS had transported prisoners from Auschwitz I to the “Buna Detachment,” at first on foot and later by rail. (Between July and October 1942 there was a pause in transports, due to a typhus epidemic and quarantine.) With the construction of Auschwitz III in the autumn of 1942, prisoners deployed at Buna lived in Auschwitz III.
The enormous might of Hitler’s Wehrmacht in 1941 lay in the quality of its personnel, its optimized organizational decisions (regarding operations in tank groups, air fleets and other formations), its top-notch operational art and tactics and in the fact that many of its weapons systems and military technologies were well matched to the blitzkrieg’s objectives.
The fortified walls, barbed wire, railway sidings, platforms, barracks, gallows, gas chambers and crematoria at Auschwitz Birkenau show clearly how the Holocaust, as well as the Nazi German policy of mass murder and forced labour took place. The collections at the site preserve the evidence of those who were premeditatedly murdered, as well as presenting the systematic mechanism by which this was done. The personal items in the collections are testimony to the lives of the victims before they were brought to the extermination camps, as well as to the cynical use of their possessions and remains. The site and its landscape have high levels of authenticity and integrity since the original evidence has been carefully conserved without any unnecessary restoration.
The first such extermination camps were introduced during Operation Reinhardt, which targeted the elimination of the Jewish people within the General Government of Occupied Poland and Ukraine. After the first killing center open at Chelmno, the use of these extermination tactics spread quickly. At the height of deportations, the Birkenau killing center murdered 6,000 Jews a day.
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.

Schindler’s profits were extraordinarily high because he used low-paid Jewish workers from the ghetto the Nazis established in the city. During the war, many industrialists like Schindler used the forced labor of Jews living in Nazi ghettos or concentration camps. Major German companies, including Volkswagen, Bayer, and IG Farben, the largest chemical company in the world at the time, profited handsomely from coerced labor. This labor often occurred in the worst conditions possible, and many workers died as a result of being subjected to excessively long, arduous work shifts without adequate food.

After examining several sites for a new plant to manufacture Buna-N, a type of synthetic rubber essential to the war effort, the German chemical cartel IG Farben chose a site near the towns of Dwory and Monowice (Monowitz in German), about 7 kilometres (4.3 mi) east of Auschwitz I.[50] Tax exemptions were available to corporations prepared to develop industries in the frontier regions under the Eastern Fiscal Assistance Law, passed in December 1940. The site had good railway connections and access to raw materials.[51] In February 1941, Himmler ordered that the Jewish population of Oświęcim be expelled to make way for skilled laborers; that all Poles able to work remain in the town and work on building the factory; and that Auschwitz prisoners be used in the construction work.[52]
Several SS personnel oversaw the killings at each gas chamber, while the bulk of the work was done by the mostly Jewish prisoners known as Sonderkommandos (special squads).[91][92] Hungarian doctor Miklós Nyiszli reported that the Sonderkommando numbered around 860 prisoners when the Hungarian Jews were being killed in May–July 1944.[93] Their responsibilities included removing goods and corpses from the incoming trains, guiding victims to the dressing rooms and gas chambers, and working in the "Canada" barracks, where the victims' possessions were stored.[94] Housed separately from other prisoners, in somewhat better conditions, their quality of life was further improved by access to the goods taken from murdered prisoners, which they were sometimes able to steal and trade on Auschwitz's black market.[95] Many Sonderkommandos committed suicide in response to the horrors of their work; others were generally shot by the SS in a matter of weeks. New Sonderkommando units were formed from incoming transports. Almost none of the 2,000 prisoners placed in these units survived to the camp's liberation.[96]

Modular Schindler machine room less elevators for low to mid-rise buildings. Introduced in 2001 as a replacement of the SchindlerMobile, EuroLift was available in either a machine room less or mini machine room. It features a permanent magnet gearless motor and can serve up to 30 floors. Schindler EuroLift is the successor of SchindlerMobile and Smart MRL.

Auschwitz Birkenau was the largest of the concentration camp complexes created by the Nazi German regime and was the one which combined extermination with forced labour. At the centre of a huge landscape of human exploitation and suffering, the remains of the two camps of Auschwitz I and Auschwitz II-Birkenau were inscribed on the World Heritage List as evidence of this inhumane, cruel and methodical effort to deny human dignity to groups considered inferior, leading to their systematic murder. The camps are a vivid testimony to the murderous nature of the anti-Semitic and racist Nazi policy that brought about the annihilation of over one million people in the crematoria, 90% of whom were Jews.

Raphael Lemkin, a holocaust survivor who worked on the Nuremberg Trials, coined the term genocide and spent 4 years pushing for it to be added to international law. As Champetier de Ribes, the French Prosecutor at the Nuremberg Trials explained “This [was] a crime so monstrous, so undreamt of in history throughout the Christian era up to the birth of Hitlerism that the term ‘genocide’ has had to be coined to define it.” Ultimately, in 1948 The United Nations Convention on the Prevention and Punishment of Genocide was adopted, and it entered into force in 1951. The convention defined genocide in legal terms based on Lemkin’s work, and is the basis for genocide prevention efforts today.

The biggest mistakes made by most companies is that they have just one department (usually product and engineering) that puts Blitzkrieg tactics into practice. Most development teams now operate in sprints, deliver incremental customer value and use estimation methods to frequently update plans. However, very few companies have marketing or sales departments mirroring these methods, which leads to having parts of companies operating out-of-sync, at different paces and on disparate roadmaps. As demonstrated by the Germans during WWII, synchronization acts like a force multiplier, and today it can make the difference for companies competing in crowded markets.

SS-Obergruppenführer Reinhard Heydrich, head of the Reich Main Security Office (Reichssicherheitshauptamt or RSHA), convened what became known as the Wannsee Conference on 20 January 1942 at Am Großen Wannsee 56–58, a villa in Berlin's Wannsee suburb.[256][257] The meeting had been scheduled for 9 December 1941, and invitations had been sent on 29 November, but it had been postponed.[258]

From the first escape on 6 July 1940 of Tadeusz Wiejowski,[215] at least 802 prisoners (757 men and 45 women) tried to escape from the camp, according to Polish historian Henryk Świebocki. He writes that most escapes were attempted from work sites outside the camp.[216][f] Of these, 144 were successful and the fate of 331 is unknown.[217] Four Polish prisoners—Eugeniusz Bendera (a car mechanic at the camp), Kazimierz Piechowski, Stanisław Gustaw Jaster, and a priest, Józef Lempart—escaped successfully on 20 June 1942.[218] After breaking into a warehouse, the four dressed as members of the SS-Totenkopfverbände (the SS units responsible for concentration camps), armed themselves, and stole an SS staff car, which they drove unchallenged through the main gate, greeting several officers with "Heil Hitler!" as they drove past.[219] On 21 July 1944, Polish inmate Jerzy Bielecki dressed in an SS uniform and, using a faked pass, managed to cross the camp's gate with his Jewish girlfriend, Cyla Cybulska (known as Cyla Stawiska), pretending that she was wanted for questioning. Both survived the war. For having saved her, Bielecki was recognized by Yad Vashem as Righteous Among the Nations.[220]
From 1942 onwards, the camp became the site of one of the greatest mass murders in the history of humanity, committed against the European Jews as part of Hitler's plan for the complete destruction of that people (the Final Solution). An estimated 1.1 million people were killed or died at Auschwitz-Birkenau, the vast majority of whom were Jewish men, women and children deported from their homes all over occupied Europe. They were transported to Auschwitz-Birkenau in overcrowded cattle wagons, and upon arrival sent immediately to their deaths in the Birkenau gas chambers. Their bodies were afterwards cremated in industrial furnaces in the crematoria.
Use of armored forces was crucial for both sides on the Eastern Front. Operation Barbarossa, the German invasion of the Soviet Union in 1941, involved a number of breakthroughs and encirclements by motorized forces. Its stated goal was "to destroy the Russian forces deployed in the West and to prevent their escape into the wide-open spaces of Russia." This was generally achieved by four panzer armies which encircled surprised and disorganized Soviet forces, followed by marching infantry which completed the encirclement and defeated the trapped forces. The first year of the Eastern Front offensive can generally be considered to have had the last successful major blitzkrieg operations.
 In October 1944, after the SS transferred the Emalia Jews to Plaszow, Schindler sought and obtained authorization to relocate his plant to Brünnlitz (Brnenec) in Moravia, and reopen it exclusively as an armaments factory. One of his assistants drew several versions of a list of up to 1,200 Jewish prisoners needed to work in the new factory. These lists came to be known collectively as “Schindler's List.” Schindler met the specifications required by the SS to classify Brünnlitz as a subcamp of Gross-Rosen concentration camp and thereby facilitated the survival of around 800 Jewish men whom the SS deported from Plaszow via Gross-Rosen to Brünnlitz and between 300 and 400 Jewish women from Plaszow via Auschwitz.
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[Steinlauf says] ‘…even in this place one can survive, and therefore one must want to survive, to tell the story, to bear witness; and that to survive we must force ourselves to save at least the skeleton, the scaffolding, the form of civilisation. We are slaves, deprived of every right, exposed to every insult, condemned to certain death, but… … we must certainly wash our faces without soap in dirty water and dry ourselves on our jackets…. …for dignity… We must walk erect, without dragging our feet… …to remain alive, not to begin to die.’”
Blitzkrieg would not have been possible without modifying Germany's standing interwar military, which under the Treaty of Versailles was limited to 100,000 men, its air force disbanded, and tank development forbidden. After becoming head of state in 1933, Adolf Hitler ignored these provisions. A command for armored troops was created within the German Wehrmacht—the Panzertruppe, as it came to be known later. The Luftwaffe, or air force, was re-established, and development begun on ground-attack aircraft and doctrines. Hitler was a strong supporter of this new strategy. He read Guderian's book Achtung! Panzer! and upon observing armored field exercises at Kummersdorf he remarked "That is what I want—and that is what I will have."

Some Auschwitz prisoners were subjected to inhumane medical experimentation. The chief perpetrator of this barbaric research was Josef Mengele (1911-79), a German physician who began working at Auschwitz in 1943. Mengele, who came to be known as the “Angel of Death,” performed a range of experiments on detainees. For example, in an effort to study eye color, he injected serum into the eyeballs of dozens of children, causing them excruciating pain. He also injected chloroform into the hearts of twins, to determine if both siblings would die at the same time and in the same manner.

The understanding of operations in Poland has shifted considerably since the Second World War. Many early postwar histories incorrectly attribute German victory to "enormous development in military technique which occurred between 1918 and 1940", incorrectly citing that "Germany, who translated (British inter-war) theories into action...called the result Blitzkrieg." More recent histories identify German operations in Poland as relatively cautious and traditional. Matthew Cooper wrote that

At the end of the war, in an effort to remove the traces of the crimes they had committed, the SS began dismantling and razing the gas chambers, crematoria, and other buildings, as well as burning documents. Prisoners capable of marching were evacuated into the depths of the German Reich, and thousands of marchers died of hunger, exhaustion and exposure. Those who remained behind in the camp and survived long enough were liberated by Red Army soldiers on 27 January 1945.
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]
Paradoxically, at the same time that Germany tried to rid itself of its Jews via forced emigration, its territorial expansions kept bringing more Jews under its control. Germany annexed Austria in March 1938 and the Sudetenland (now in the Czech Republic) in September 1938. It established control over the Protectorate of Bohemia and Moravia (now in the Czech Republic) in March 1939. When Germany invaded Poland on September 1, 1939, the “Jewish question” became urgent. When the division of Poland between Germany and the Soviet Union was complete, more than two million more Jews had come under German control. For a time, the Nazis considered shipping the Jews to the island of Madagascar, off the southeast coast of Africa, but discarded the plan as impractical; the Nazis had not prevailed in the Battle of Britain, the seas had become a war zone, and the resources required for such a massive deportation were scarce.
While some of the guiding conceptions of the Blitzkrieg were tried out in Ethiopia, the results were not considered conclusive. The Ethiopians were a semi-savage people, and they lacked the modern armament and equipment necessary to offer the Italian invaders the kind of resistance essential if Blitzkrieg were to receive a real and complete battlefield test. But Spain furnished a fine proving ground. Then Albania was a dress rehearsal. And in Poland the system was put to the final proof.
General Erwin Rommel, who would later gain fame in the African desert as the "Desert Fox", led the 7th Panzer Division as it crashed through the Belgian defenses into France, skirting the Maginot Line and then smashing it from behind. This was a new kind of warfare integrating tanks, air power, artillery, and motorized infantry into a steel juggernaut emphasizing speedy movement and maximization of battlefield opportunities. Rommel kept a journal of his experiences. In this excerpt, he describes the action on May 14 as he leads a tank attack against French forces near the Muese River on the Belgian border:

In July 1943 the Wehrmacht conducted Operation Zitadelle (Citadel) against a salient at Kursk that was heavily defended by Soviet troops.[97][98] Soviet defensive tactics were by now hugely improved, particularly in the use of artillery and air support.[98][99] By April 1943, the Stavka had learned of German intentions through intelligence supplied by front line reconnaissance and Ultra intercepts.[100] In the following months, the Red Army constructed deep defensive belts along the paths of the planned German attack.[101] The Soviets made a concerted effort to disguise their knowledge of German plans and the extent of their own defensive preparations, and the German commanders still hoped to achieve operational surprise when the attack commenced.[102]
Guderian's leadership was supported, fostered and institutionalised by his supporters in the Reichswehr General Staff system, which worked the Army to greater and greater levels of capability through massive and systematic Movement Warfare war games in the 1930s. Guderian's book incorporated the work of theorists such as Ludwig Ritter von Eimannsberger, whose book, The Tank War (Der Kampfwagenkrieg) (1934) gained a wide audience in the German army. Another German theorist, Ernst Volckheim, wrote a huge amount on tank and combined arms tactics and was influential to German thinking on the use of armoured formations but his work was not acknowledged in Guderian's writings.[155]

Auschwitz inmates began working at the plant, known as Buna Werke and IG Auschwitz, in April 1941, and demolishing houses in Monowitz to make way for it. By May, because of a shortage of trucks, several hundred of them were rising at 3 am to walk there twice a day from Auschwitz I.[53] Anticipating that a long line of exhausted inmates walking through the town of Oświęcim might harm German-Polish relations, the inmates were told to shave daily, make sure they were clean, and sing as they walked. From late July they were taken there by train on freight wagons.[54] Because of the difficulty of moving them, including during the winter, IG Farben decided to build a camp at the plant. The first inmates moved there on 30 October 1942.[55] Known as KL Auschwitz III-Aussenlager (Auschwitz III-subcamps), and later as Monowitz concentration camp,[56] it was the first concentration camp to be financed and built by private industry.[57]
The soldiers also found warehouses containing 836,525 items of women clothing, 348,820 items of men clothing, 43,525 pairs of shoes and vast numbers of toothbrushes, glasses and other personal effects. They found also 460 artificial limbs and seven tons of human hair shaved from Jews before they were murdered. The human hairs were used by the company “Alex Zink” (located in Bavaria) for confection of cloth. This company was paying the Nazi’s 50 pfennig per kilo of human hair.
In 1916, General Alexei Brusilov had used surprise and infiltration tactics during the Brusilov Offensive. Later, Marshal Mikhail Tukhachevsky, Georgii Isserson and other members of the Red Army developed a concept of deep battle from the experience of the Polish–Soviet War. These concepts would guide Red Army doctrine throughout World War II. Realising the limitations of infantry and cavalry, Tukhachevsky was an advocate of mechanised formations and the large-scale industrialisation required. Robert Watt (2008) wrote that blitzkrieg holds little in common with Soviet deep battle.[48] In 2002, H. P. Willmott had noted that deep battle contained two important differences: it was a doctrine of total war, not limited operations, and decisive battle was rejected in favour of several large, simultaneous offensives.[49]
Of the 430,000 sent to the first death camp at Bełżec in Poland, there were only two survivors. 700,000 were killed at Treblinka in just five months. In July, Himmler ordered that all Jews in key areas of Poland, except for those needed for essential labour, were to be killed by the end of the year. Most were. Despite Allied intelligence receiving detailed reports of the mass murders in Europe, the public reaction in Britain was largely a mixture of apathy and disbelief.
Soon after he became chancellor, Hitler called for new elections in an effort to get full control of the Reichstag, the German parliament, for the Nazis. The Nazis used the government apparatus to terrorize the other parties. They arrested their leaders and banned their political meetings. Then, in the midst of the election campaign, on February 27, 1933, the Reichstag building burned. A Dutchman named Marinus van der Lubbe was arrested for the crime, and he swore he had acted alone. Although many suspected the Nazis were ultimately responsible for the act, the Nazis managed to blame the Communists, thus turning more votes their way.
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:
The enormous might of Hitler’s Wehrmacht in 1941 lay in the quality of its personnel, its optimized organizational decisions (regarding operations in tank groups, air fleets and other formations), its top-notch operational art and tactics and in the fact that many of its weapons systems and military technologies were well matched to the blitzkrieg’s objectives.
Many people ask, "Why didn't the Jews fight back?" Well, they did. With limited weapons and at a severe disadvantage, they found creative ways to subvert the Nazi system. They worked with partisans in the forests, fought to the last man in the Warsaw Ghetto, revolted at the Sobibor death camp, and blew up gas chambers at Auschwitz. Learn more about the resistance, both by Jews and non-Jews, to the Nazis.
Auschwitz I, a former Polish army barracks, was the main camp (Stammlager) and administrative headquarters of the camp complex. Intending to use it to house political prisoners, Reichsführer-SS Heinrich Himmler, head of the Schutzstaffel (SS), approved the site in April 1940 on the recommendation of SS-Obersturmbannführer (lieutenant colonel) Rudolf Höss, then of the Concentration Camps Inspectorate. Höss oversaw the development of the camp and served as its first commandant, with SS-Obersturmführer (senior lieutenant) Josef Kramer as his deputy.[21] Around 1,000 m long and 400 m wide,[22] Auschwitz I consisted of 20 brick buildings, six of them two-story; a second story was added to the others in 1943 and eight new blocks were built.[23] The camp housed the SS barracks and by 1943 held 30,000 inmates.[22] The first 30 prisoners arrived on 20 May 1940 after being transported from the Sachsenhausen concentration camp in Oranienburg, Germany. Convicted German criminals (Berufsverbrecher), the men were known as "greens" after the green triangles they were required to wear on their prison clothing. Brought to the camp as functionaries, this group did much to establish the sadism of early camp life, which was directed particularly at Polish inmates, until the political prisoners began to take over their roles.[4]
Uprisings broke out in some extermination camps. The few remaining Jews kept alive to dispose of bodies and sort possessions realised the number of transportees was reducing and they would be next. Civilian uprisings occurred across Poland as mainly young Jews, whose families had already been murdered, began to resist Nazi oppression. With reports of rebellion and mass murder in the British press, the situation in the camps could no longer be be ignored.
German military history had been influenced heavily by Carl von Clausewitz, Alfred von Schlieffen and von Moltke the Elder, who were proponents of maneuver, mass, and envelopment. Their concepts were employed in the successful Franco-Prussian War and attempted "knock-out blow" of the Schlieffen Plan. Following the war, these concepts were modified by the Reichswehr. Its Chief of Staff, Hans von Seeckt, moved doctrine away from what he argued was an excessive focus on encirclement towards one based on speed. Speed gives surprise, surprise allows exploitation if decisions can be reached quickly and mobility gives flexibility and speed. Von Seeckt advocated effecting breakthroughs against the enemy's centre when it was more profitable than encirclement or where encirclement was not practical. Under his command a modern update of the doctrinal system called "Bewegungskrieg" and its associated tactical system called " Auftragstaktik" was developed which resulted in the popularly known blitzkrieg effect. He additionally rejected the notion of mass which von Schlieffen and von Moltke had advocated. While reserves had comprised up to four-tenths of German forces in pre-war campaigns, von Seeckt sought the creation of a small, professional (volunteer) military backed by a defense-oriented militia. In modern warfare, he argued, such a force was more capable of offensive action, faster to ready, and less expensive to equip with more modern weapons. The Reichswehr was forced to adopt a small and professional army quite aside from any German plans, for the Treaty of Versailles limited it to 100,000 men.
The gas chambers worked to their fullest capacity from April to July 1944, during the massacre of Hungary's Jews. Hungary was an ally of Germany during the war, but it had resisted turning over its Jews until Germany invaded that March.[177] A rail spur leading to crematoria II and III in Auschwitz II was completed that May, and a new ramp was built between sectors BI and BII to deliver the victims closer to the gas chambers.[178] On 29 April the first 1,800 Hungarian Jews arrived at the camp;[178] from 14 May until early July 1944, 437,000 Hungarian Jews, half the pre-war population, were deported to Auschwitz, at a rate of 12,000 a day for a considerable part of that period.[105] The crematoria had to be overhauled. Crematoria II and III were given new elevators leading from the stoves to the gas chambers, new grates were fitted, and several of the dressing rooms and gas chambers were painted. Cremation pits were dug behind crematorium V.[178] The last mass transports to arrive in Auschwitz were 60,000–70,000 Jews from the Łódź Ghetto, some 2,000 from Theresienstadt, and 8,000 from Slovakia.[166][179] The last selection took place on 30 October 1944.[162] Crematorium IV was demolished after the Sonderkommando revolt on 7 October 1944. The SS blew up crematorium V on 14 January 1945, and crematoria II and III on 20 January.[180]
For the first time, camps were created specifically for Jews. Their conditions were far worse than other camps. The implicit intention was that the inmates would die there. Increasing numbers of Jews in Poland were relocated in ghettos. Non-Jewish Poles were also deported from their farms and villages to make room for ‘pure’ ethnic Germans to populate the new territory.
Some prisoners kept diaries, recording life inside the camp, so that the world would one day know the story of what happened to them. Others collected evidence of the killings and events within the camp, burying it in the hope that one day someone would find the evidence of the atrocities. Prisoners had to be careful to make sure these form of indirect resistance went undiscovered by the SS guards and kapos.
Overall 268,657 male and 131,560 female prisoners were registered in Auschwitz, 400,207 in total.[181] Many prisoners were never registered and much evidence was destroyed by the SS in the final days of the war, making the number of victims hard to ascertain.[182] Himmler visited the camp on 17 July 1942 and watched a gassing; a few days later, according to Höss's post-war memoir, Höss received an order from Himmler, via Adolf Eichmann's office and SS commander Paul Blobel, that "[a]ll mass graves were to be opened and the corpses burned. In addition the ashes were to be disposed of in such a way that it would be impossible at some future time to calculate the number of corpses burned."[183]

A Jewish skeleton collection was obtained from among a pool of 115 Jewish Auschwitz inmates, chosen for their perceived stereotypical racial characteristics.[b] Rudolf Brandt and Wolfram Sievers, general manager of the Ahnenerbe (a Nazi research institute), delivered the skeletons to the collection of the Anatomy Institute at the Reichsuniversität Straßburg in Occupied France. The collection was sanctioned by Himmler and under the direction of August Hirt. Ultimately 87 of the inmates were shipped to Natzweiler-Struthof and killed in August 1943.[135] Brandt and Sievers were executed in 1948 after being convicted during the Doctors' trial, part of the Subsequent Nuremberg trials.[citation needed]
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]