Various other German industrial enterprises, such as Krupp and Siemens-Schuckert, built factories with their own subcamps.[68] There were around 40[69] or 50[70] such camps, 28 of them near industrial plants, each camp holding hundreds or thousands of prisoners.[71] Designated as Aussenlager (external camp), Nebenlager (extension or subcamp), or Arbeitslager (labor camp),[69] camps were built at Blechhammer, Jawiszowice, Jaworzno, Lagisze, Mysłowice, Trzebinia, and centers as far afield as the Protectorate of Bohemia and Moravia in Czechoslovakia.[72][73][74] Industries with satellite camps included coal mines, foundries and other metal works, and chemical plants. Prisoners were also made to work in forestry and farming.[75] Budy, for example, was a farming subcamp where prisoners worked 12-hour days, often in the fields, but sometimes tending animals, cleaning ponds, digging ditches, and making compost. Human ashes from the crematorium were mixed with sod and manure to make the compost.[76] Incidents of sabotage to decrease production took place in several subcamps, including Charlottengrube, Gleiwitz II, and Rajsko.[77]
Around 50,000 German gay men were jailed between 1933 and 1945, and 5,000–15,000 are estimated to have been sent to concentration camps. It is not known how many died during the Holocaust.[413][449] James Steakley writes that what mattered in Germany was criminal intent or character, rather than acts, and the "gesundes Volksempfinden" ("healthy sensibility of the people") became the guiding legal principle.[450] In 1936, Himmler created the Reich Central Office for the Combating of Homosexuality and Abortion.[451] The Gestapo raided gay bars, tracked individuals using the address books of those they arrested, used the subscription lists of gay magazines to find others, and encouraged people to report suspected homosexual behavior and to scrutinize the behavior of their neighbors.[450] Lesbians were left relatively unaffected;[413] the Nazis saw them as "asocials", rather than sexual deviants.[452] Gay men convicted between 1933 and 1944 were sent to camps for "rehabilitation", where they were identified by pink triangles.[450] Hundreds were castrated, sometimes "voluntarily" to avoid criminal sentences.[453] Steakley writes that the full extent of gay suffering was slow to emerge after the war. Many victims kept their stories to themselves because homosexuality remained criminalized in postwar Germany.[450]
[t]hroughout the Polish Campaign, the employment of the mechanised units revealed the idea that they were intended solely to ease the advance and to support the activities of the infantry....Thus, any strategic exploitation of the armoured idea was still-born. The paralysis of command and the breakdown of morale were not made the ultimate aim of the ... German ground and air forces, and were only incidental by-products of the traditional maneuvers of rapid encirclement and of the supporting activities of the flying artillery of the Luftwaffe, both of which had as their purpose the physical destruction of the enemy troops. Such was the Vernichtungsgedanke of the Polish campaign.[82]

In November, attacks erupted against Jewish businesses. At least 91 Jews died and 267 synagogues were destroyed in a centrally coordinated plot passed off as spontaneous violence across Germany. Thousands of Jews were sent to concentration camps and were only released if they agreed to leave the Nazi territory. Many Jews decided to flee, though options were limited. Britain agreed to house Jewish children, eventually taking in 10,000 minors, but refused to change its policy for Jewish adults.
Blitzkrieg was based on speed, co-ordination and movement; the major science of this approach was the ability to get large mobile forces through weak points in the enemies defences and then cause damage when behind his static lines. With large formations cut off from communication and logistics, pressure could then be put on interior defences. Its aim was to create panic amongst the civilian population. A civil population on the move can be absolute havoc for a defending army trying to get its forces to the war front. With so much focus placed on the frontline, if this could be penetrated then the ensuing doubt, confusion and rumour were sure to paralyse both the government and the defending military.

The Germans' overwhelming repression and the presence of many collaborators in the various local populations severely limited the ability of the Jews to resist. Jewish resistance did occur, however, in several forms. Staying alive, clean, and observing Jewish religious traditions constituted resistance under the dehumanizing conditions imposed by the Nazis. Other forms of resistance involved escape attempts from the ghettos and camps. Many who succeeded in escaping the ghettos lived in the forests and mountains in family camps and in fighting partisan units. Once free, though, the Jews had to contend with local residents and partisan groups who were often openly hostile. Jews also staged armed revolts in the ghettos of Vilna, Bialystok, Bedzin-Sosnowiec, krakow, and Warsaw.
Perhaps the most famous orchestra to have come out of Birkenau was the women’s orchestra.  Known through Fania Fénelon’s memoirs and the movie Playing for Time, this group — the only all-women SS-sponsored musical organisation established under Nazi internment — was founded in the spring of 1943.  Originally directed by the Polish inmate Zofia Czajkowska, it reached its peak under the guidance of the violin virtuoso and conductor Alma Rosé.  As with other camp bands, the women were required to play at the gates every morning and evening, to accompany the workers’ arrival and departure from the camp.  This job won them the animosity of many prisoners, who remembered returning to their barracks, sick, exhausted, and often carrying or dragging their dead comrades, while

The Reichswehr and Red Army collaborated in wargames and tests in Kazan and Lipetsk beginning in 1926. During this period, the Red Army was developing the theory of Deep operations, which would guide Red Army doctrine throughout World War II. Set within the Soviet Union, these two centers were used to field test aircraft and armored vehicles up to the battalion level, as well as housing aerial and armored warfare schools through which officers were rotated. This was done in the Soviet Union, in secret, to evade the Treaty of Versailles's occupational agent, the Inter-Allied Commission.
The first gas chamber at Birkenau was in what prisoners called the "little red house" (known as bunker 1 by the SS), a brick cottage that had been converted into a gassing facility. The windows were bricked up and its four rooms converted into two insulated rooms, the doors of which said "Zur Desinfektion" ("to disinfection"). It was operational by March 1942. A second brick cottage, the "little white house" or bunker 2, was converted and operational by June 1942.[45] When Himmler visited the camp on 17 and 18 July 1942, he was given a demonstration of a selection of Dutch Jews, a mass killing in a gas chamber in bunker 2, and a tour of the building site of the new IG Farben plant being constructed at the nearby town of Monowitz.[46]

The Gestapo arrested him several times and interrogated him on charges of irregularities and of favoring Jews. However, Schindler would not desist. In 1943, at the invitation of the American Jewish Joint Distribution Committee, he undertook a highly risky journey to Budapest, where he met with two representatives of Hungarian Jewry. He reported to them about the desperate plight of the Jews in Poland and discussed possible ways of relief.
Uniquely at Auschwitz, prisoners were tattooed with a serial number, on their left breast for Soviet prisoners of war[97] and on the left arm for civilians.[98] Categories of prisoner were distinguishable by triangular pieces of cloth (German: Winkel) sewn onto on their jackets below their prisoner number. Political prisoners (Schutzhäftlinge or Sch), mostly Poles, had a red triangle, while criminals (Berufsverbrecher or BV) were mostly German and wore green. Asocial prisoners (Asoziale or Aso), which included vagrants, prostitutes and the Roma, wore black. Purple was for Jehovah's Witnesses (Internationale Bibelforscher-Vereinigung or IBV)'s and pink for gay men, who were mostly German.[99] An estimated 5,000–15,000 gay men prosecuted under German Penal Code Section 175 (proscribing sexual acts between men) were detained in concentration camps, of which an unknown number were sent to Auschwitz.[100] Jews wore a yellow badge, the shape of the Star of David, overlaid by a second triangle if they also belonged to a second category. The nationality of the inmate was indicated by a letter stitched onto the cloth. A racial hierarchy existed, with German prisoners at the top. Next were non-Jewish prisoners from other countries. Jewish prisoners were at the bottom.[101]

The Holocaust began in 1933 when Adolf Hitler came to power in Germany and ended in 1945 when the Nazis were defeated by the Allied powers. The term Holocaust is derived from the Greek word holokauston, which means sacrifice by fire. It refers to the Nazi persecution and planned slaughter of the Jewish people and others considered inferior to "true" Germans. The Hebrew word Shoah, which means devastation, ruin or waste, also refers to this genocide.

Having achieved a breakthrough of the enemy's line, units comprising the Schwerpunkt were not supposed to become decisively engaged with enemy front line units to the right and left of the breakthrough area. Units pouring through the hole were to drive upon set objectives behind the enemy front line. In World War II, German Panzer forces used motorised mobility, to paralyse the opponent's ability to react. Fast-moving mobile forces seized the initiative, exploited weaknesses and acted before opposing forces could respond. Central to this was the decision cycle (tempo). Decision-making required time to gather information, make a decision, give orders to subordinates to implement the decision.[citation needed] Through superior mobility and faster decision-making cycles, mobile forces could act quicker than the forces opposing them. Directive control was a fast and flexible method of command. Rather than receiving an explicit order, a commander would be told of his superior's intent and the role which his unit was to fill in this concept. The method of execution was then a matter for the discretion of the subordinate commander. Staff burden was reduced at the top and spread among tiers of command with knowledge about their situation. Delegation and the encouragement of initiative aided implementation, important decisions could be taken quickly and communicated verbally or with brief written orders.[64] Germans soldiers also used Pervitin, a form of Amphetamine, which was given to drivers, to keep them awake.[65]
Living standards were not high in the late 1930s. Consumption of consumer goods had fallen from 71 percent in 1928 to 59 percent in 1938. The demands of the war economy reduced the amount of spending in non-military sectors to satisfy the demand for the armed forces. On 9 September, Göring as Head of the Reich Defence Council, called for complete "employment" of living and fighting power of the national economy for the duration of the war. Overy presents this as evidence that a "blitzkrieg economy" did not exist.[133]

While concentration camps were meant to work and starve prisoners to death, extermination camps (also known as death camps) were built for the sole purpose of killing large groups of people quickly and efficiently. The Nazis built six extermination camps, all in Poland: Chelmno, Belzec, Sobibor, Treblinka, Auschwitz, and Majdanek. (Auschwitz and Majdanek were both concentration and extermination camps.)
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.
From 1942, members of the Bureau of Information and Propaganda of the Warsaw-area Home Army published reports based on the accounts of escapees. The first was a fictional memoir, "Oświęcim. Pamiętnik więźnia" ("Auschwitz: Diary of a prisoner") by Halina Krahelska, published in April 1942 in Warsaw.[205] Also published in 1942 was the pamphlet Obóz śmierci (Camp of Death) by Natalia Zarembina,[206] and W piekle (In Hell) by Zofia Kossak-Szczucka, founder of Żegota.[207] In March 1944, the Polish Labor Group in New York published a report in English, "Oswiecim, Camp of Death (Underground Report)", with a foreword by Florence Jaffray Harriman, which described the gassing of prisoners from 1942.[208]
There's a basic cafe and cafeteria in the main visitors' centre of Auschwitz I and a coffee machine in the bookshop at Birkenau. More options are in a commercial complex across the street from Auschwitz I, although the quality of one (the Art Hamburger) is rather poor, but a cheap and quick eat. There are hot dog stalls and similar outlets outside the main museum at the end of the bus/car park, with food and drink combinations costing 10-12 zł. The car park outside Auschwitz I also has picnic tables for visitors.

Most troops were moved by half-track vehicles so there was no real need for roads though these were repaired so that they could be used by the Germans at a later date. Once a target had been taken, the Germans did not stop to celebrate victory; they moved on to the next target. Retreating civilians hindered any work done by the army being attacked. Those civilians fleeing the fighting were also attacked to create further mayhem.

Later manifestations of blitzkrieg tactics were the combined air and ground attacks by Israeli forces on Syria and Egypt during the Six-Day War (June 1967) and the Israeli counterattacks and final counteroffensive of the Yom Kippur War (October 1973). The “left hook” flanking maneuver executed by U.S. Gen. Norman Schwarzkopf during the Persian Gulf War also utilized elements of blitzkrieg tactics, with a combined arms offensive that destroyed the Iraqi army in Kuwait in a period of just three days.
In the Lviv pogroms in occupied Poland in July 1941, some 6,000 Polish Jews were murdered in the streets, on top of 3,000 arrests and mass shootings by Einsatzgruppe C.[231][m] During the Jedwabne pogrom, on 10 July 1941, a group of 40 Polish men killed several hundred Jews; around 300 were burned alive in a barn. The attack is thought to have been organized by the German Security Police (Sicherheitsdienst).[233] A long debate about who was responsible for the Jedwabne murders was triggered in 2001 by the publication of Jan T. Gross's book Neighbors: The Destruction of the Jewish Community in Jedwabne, Poland.[234] The response to the book was described as "the most prolonged and far-reaching of any discussion of the Jewish issue in Poland since the Second World War".[235]
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]
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]

After the start of World War II, Adolf Hitler (1889-1945), the chancellor of Germany from 1933 to 1945, implemented a policy that came to be known as the “Final Solution.” Hitler was determined not just to isolate Jews in Germany and countries annexed by the Nazis, subjecting them to dehumanizing regulations and random acts of violence. Instead, he became convinced that his “Jewish problem” would be solved only with the elimination of every Jew in his domain, along with artists, educators, Gypsies, communists, homosexuals, the mentally and physically handicapped and others deemed unfit for survival in Nazi Germany.
The concentration and death-camp complex at Auschwitz-Birkenau was the largest killing center in the entire Nazi universe; the very heart of their system. Of the many sub-camps affiliated with Auschwitz, Birkenau, or Auschwitz II, was by far the largest. The main camp, Auschwitz I was on the outskirts of the Polish city Oswiecim. Birkenau was in a suiburb named Zasole.

During the war, the Condor Legion undertook the bombing of Guernica which had a tremendous psychological effect on the populations of Europe. The results were exaggerated, and the Western Allies concluded that the "city-busting" techniques were now a part of the German way in war. The targets of the German aircraft were actually the rail lines and bridges. But lacking the ability to hit them with accuracy (only three or four Ju 87s saw action in Spain), a method of carpet bombing was chosen resulting in heavy civilian casualties.[80]

تشهد الاسوار والاسلاك الشائكة والمَراقب والمعسكرات والمنصبات وغرف الغاز ومحرقات معسكر الاعتقال والابادة اوشفيتز بيركينو القديم، كلّها على الظروف التي كانت تجري في ظلّها الابادة الجماعية الهتليرية. وتفيد بحوث تاريخية ان 1،1 مليون الى 5،1 مليون شخص، معظمهم من اليهود، جُوِّعوا بصورة منظّمة وتعرّضوا للتعذيب وقُتلوا في هذا المخيّم، رمز وحشية الانسان مع أخيه الانسان في القرن العشرين.
Adam Tooze wrote that the German economy was being prepared for a long war. The expenditure for this war was extensive and put the economy under severe strain. The German leadership were concerned less with how to balance the civilian economy and the needs of civilian consumption but to figure out how to best prepare the economy for total war. Once war had begun, Hitler urged his economic experts to abandon caution and expend all available resources on the war effort but the expansion plans only gradually gained momentum in 1941. Tooze wrote that the huge armament plans in the pre-war period did not indicate any clear-sighted blitzkrieg economy or strategy.[134]
Transportation between camps was often carried out in freight cars with prisoners packed tightly. Long delays would take place; prisoners might be confined in the cars on sidings for days.[190] In mid-1942 work camps began requiring newly arrived prisoners to be placed in quarantine for four weeks.[191] Prisoners wore colored triangles on their uniforms, the color of the triangle denoting the reason for their incarceration. Red signified a political prisoner, Jehovah's Witnesses had purple triangles, "asocials" and criminals wore black and green. Badges were pink for gay men and yellow for Jews.[192] Jews had a second yellow triangle worn with their original triangle, the two forming a six-pointed star.[193][194] In Auschwitz, prisoners were tattooed with an identification number on arrival.[195]
Auschwitz-Birkenau was also a killing center and played a central role in the German effort to kill the Jews of Europe. Around the beginning of September, 1941, the SS at Auschwitz I conducted the first tests of Zyklon B as a mass murder agent, using Soviet POWs and debilitated Polish prisoners as victims. The “success” of these experiments led to the construction of a chamber in the crematorium of Auschwitz I that, like the subsequent gas chambers at Auschwitz, used Zyklon B to murder victims. The first transports of Jewish men, women, and children sent to Auschwitz as part of the “final solution” were murdered in this gas chamber (Crematorium I) in February and March 1942.

To achieve a breakout, armored forces themselves would attack the enemy's defensive line directly, supported by their own infantry (Panzergrenadiers), artillery fire and aerial bombardment in order to create a breach in the enemy's line. Through this breach the tanks could break through without the traditional encumbrance of the slow logistics of a pure infantry regiment. The breaching force never lost time by 'stabilising its flanks' or by regrouping; rather it continued the assault in a towards the interior of the enemies lines, sometimes diagonally across them. This point of breakout has been labeled a "hinge", but only because a change in direction of the defender's lines is naturally weak and therefore a natural target for blitzkrieg assault.
Instead, Marcel Goldberg, a Jewish “clerk” assigned to the new Plaszow commandant Arnold Buscher, played the largest role in compiling the transport list. It is generally agreed that Buscher, an SS officer, “could not have cared, within certain numerical limits, who went on the list,” according to Thomas Keneally. It’s also agreed that Goldberg engaged in a certain amount of corruption in who he added to the list and, moreover, that there was not even one “list” but rather different lists that emerged over a series of months.

When we think of the crimes of Nazi doctors, what comes to mind are their cruel and sometimes fatal experiments… Yet when we turn to the Nazi doctors’ role in Auschwitz, it was not the experiments that were most significant. Rather, it was his participation in the killing process—indeed his supervision of Auschwitz mass murder from beginning to end. 1

Although effective in quick campaigns against Poland and France, mobile operations could not be sustained by Germany in later years. Strategies based on manoeuvre have the inherent danger of the attacking force overextending its supply lines, and can be defeated by a determined foe who is willing and able to sacrifice territory for time in which to regroup and rearm, as the Soviets did on the Eastern Front (as opposed to, for example, the Dutch who had no territory to sacrifice). Tank and vehicle production was a constant problem for Germany; indeed, late in the war many panzer "divisions" had no more than a few dozen tanks.[75] As the end of the war approached, Germany also experienced critical shortages in fuel and ammunition stocks as a result of Anglo-American strategic bombing and blockade. Although production of Luftwaffe fighter aircraft continued, they would be unable to fly for lack of fuel. What fuel there was went to panzer divisions, and even then they were not able to operate normally. Of those Tiger tanks lost against the United States Army, nearly half of them were abandoned for lack of fuel.[76]

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]

Entering conquered Soviet territories alongside the Wehrmacht (the German armed forces) were 3,000 men of the Einsatzgruppen (“Deployment Groups”), special mobile killing units. Their task was to murder Jews, Soviet commissars, and Roma in the areas conquered by the army. Alone or with the help of local police, native anti-Semitic populations, and accompanying Axis troops, the Einsatzgruppen would enter a town, round up their victims, herd them to the outskirts of the town, and shoot them. They killed Jews in family units. Just outside Kiev, Ukraine, in the ravine of Babi Yar, an Einsatzgruppe killed 33,771 Jews on September 28–29, 1941. In the Rumbula Forest outside the ghetto in Riga, Latvia, 25,000–28,000 Jews were shot on November 30 and December 8–9. Beginning in the summer of 1941, Einsatzgruppen murdered more than 70,000 Jews at Ponary, outside Vilna (now Vilnius) in Lithuania. They slaughtered 9,000 Jews, half of them children, at the Ninth Fort, adjacent to Kovno (now Kaunas), Lithuania, on October 28.

Directive control was a fast and flexible method of command. Rather than receiving an explicit order, a commander would be told of his superior's intent and the role which his unit was to fill in this concept. The exact method of execution was then a matter for the low-level commander to determine as best fit the situation. Staff burden was reduced at the top and spread among commands more knowledgeable about their own situation. In addition, the encouragement of initiative at all levels aided implementation. As a result, significant decisions could be effected quickly and either verbally or with written orders a few pages in length.
Blitzkrieg sought decisive actions at all times. To this end, the theory of a schwerpunkt (focal point) developed; it was the point of maximum effort. Panzer and Luftwaffe forces were used only at this point of maximum effort whenever possible. By local success at the schwerpunkt, a small force achieved a breakthrough and gained advantages by fighting in the enemy's rear. It is summarized by Guderian as "Nicht kleckern, klotzen!" ("Don't tickle, smash!")
September 26, 1942 - SS begins cashing in possessions and valuables of Jews from Auschwitz and Majdanek. German banknotes are sent to the Reichs Bank. Foreign currency, gold, jewels and other valuables are sent to SS Headquarters of the Economic Administration. Watches, clocks and pens are distributed to troops at the front. Clothing is distributed to German families. By February 1943, over 800 boxcars of confiscated goods will have left Auschwitz.
Blitzkrieg was based on speed, co-ordination and movement; the major science of this approach was the ability to get large mobile forces through weak points in the enemies defences and then cause damage when behind his static lines. With large formations cut off from communication and logistics, pressure could then be put on interior defences. Its aim was to create panic amongst the civilian population. A civil population on the move can be absolute havoc for a defending army trying to get its forces to the war front. With so much focus placed on the frontline, if this could be penetrated then the ensuing doubt, confusion and rumour were sure to paralyse both the government and the defending military.
The most notorious physician was Josef Mengele, an SS officer who became the Auschwitz camp doctor on 30 May 1943.[54] Interested in genetics[54] and keen to experiment on twins, he would pick out subjects from the new arrivals during "selection" on the ramp, shouting "Zwillinge heraus!" (twins step forward!).[55] They would be measured, killed, and dissected. One of Mengele's assistants said in 1946 that he was told to send organs of interest to the directors of the "Anthropological Institute in Berlin-Dahlem". This is thought to refer to Mengele's academic supervisor, Otmar Freiherr von Verschuer , director from October 1942 of the Kaiser Wilhelm Institute of Anthropology, Human Heredity, and Eugenics in Berlin-Dahlem.[56][55][i] Mengele's experiments included placing subjects in pressure chambers, testing drugs on them, freezing them, attempting to change their eye color by injecting chemicals into children's eyes, and amputations and other surgeries.[59]
Modern blitzkrieg was introduced by the German Army as a rational response to the stagnant trench warfare that characterized most of the fighting on the Western Front during World War I. Battles like Verdun or Passchendaele proved the war was nothing more than a meat grinder, and attacks from both sides only further proved the futility of the conflict.
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 Holocaust, also known as the Shoah,[b] was a genocide during World War II in which Nazi Germany, aided by local collaborators, systematically murdered some six million European Jews—around two-thirds of the Jewish population of Europe—between 1941 and 1945.[a][c] Jews were targeted for extermination as part of a larger event during the Holocaust era, in which Germany and its collaborators persecuted and murdered other groups, including Slavs (chiefly ethnic Poles, Soviet prisoners of war, and Soviet citizens), the Roma, the "incurably sick", political and religious dissenters such as communists and Jehovah's Witnesses, and gay men.[d] Taking into account all the victims of Nazi persecution, the death toll rises to over 17 million.[3]
With this police infrastructure in place, opponents of the Nazis were terrorized, beaten, or sent to one of the concentration camps the Germans built to incarcerate them. Dachau, just outside of Munich, was the first such camp built for political prisoners. Dachau's purpose changed over time and eventually became another brutal concentration camp for Jews.
During the interwar period, aircraft and tank technologies matured and were combined with systematic application of the traditional German tactic of Bewegungskrieg (maneuver warfare), deep penetrations and the bypassing of enemy strong points to encircle and destroy enemy forces in a Kesselschlacht (cauldron battle).[3][6] During the Invasion of Poland, Western journalists adopted the term blitzkrieg to describe this form of armoured warfare.[7] The term had appeared in 1935, in a German military periodical Deutsche Wehr (German Defence), in connection to quick or lightning warfare.[8] German manoeuvre operations were successful in the campaigns of 1939–1941 and by 1940 the term blitzkrieg was extensively used in Western media.[9][10] Blitzkrieg operations capitalized on surprise penetrations (e.g., the penetration of the Ardennes forest region), general enemy unreadiness and their inability to match the pace of the German attack. During the Battle of France, the French made attempts to re-form defensive lines along rivers but were frustrated when German forces arrived first and pressed on.[10]
Romania implemented anti-Jewish measures in May and June 1940 as part of its efforts towards an alliance with Germany. Jews were forced from government service, pogroms were carried out, and by March 1941 all Jews had lost their jobs and had their property confiscated.[169] After Romania joined the invasion of the Soviet Union in June 1941, at least 13,266 Jews were killed in the Iași pogrom,[170] and Romanian troops carried out massacres in Romanian-controlled territory, including the Odessa massacre of 20,000 Jews in Odessa in late 1941. Romania also set up concentration camps under its control in Transnistria, where 154,000–170,000 Jews were deported from 1941 to 1943.[169]
Guderian expressed a hearty contempt for General Ludwig Beck, chief of the General Staff from 1935 to 1938, whom he characterized as hostile to ideas of modern mechanised warfare: [Corum quoting Guderian] "He [Beck] was a paralysing element wherever he appeared....[S]ignificantly of his way of thought was his much-boosted method of fighting which he called delaying defence". This is a crude caricature of a highly competent general who authored Army Regulation 300 (Troop Leadership) in 1933, the primary tactical manual of the German Army in World War II, and under whose direction the first three panzer divisions were created in 1935, the largest such force in the world of the time.[153]
A parallel system operated later at Birkenau in 1942-43, except that for the majority the 'showers' proved to be gas chambers. Only about 10 percent of Jewish transports were registered, disinfected, shaven and showered in the 'central sauna' before being assigned barracks. In May 1944, a 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.

Similarly, in Ordinary Men (1992), Christopher Browning examined the deeds of German Reserve Police Battalion 101 of the Ordnungspolizei ("order police"), used to commit massacres and round-ups of Jews, as well as mass deportations to the death camps. The members of the battalion were middle-aged men of working-class background from Hamburg, who were too old for regular military duty. They were given no special training. During the murder of 1,500 Jews from Józefów in Poland, their commander allowed them to opt out of direct participation. Fewer than 12 men out of a battalion of 500 did so. Influenced by the Milgram experiment on obedience, Browning argued that the men killed out of peer pressure, not bloodlust.[471]

Policies differed widely among Germany’s Balkan allies. In Romania it was primarily the Romanians themselves who slaughtered the country’s Jews. Toward the end of the war, however, when the defeat of Germany was all but certain, the Romanian government found more value in living Jews who could be held for ransom or used as leverage with the West. Bulgaria deported Jews from neighbouring Thrace and Macedonia, which it occupied, but government leaders faced stiff opposition to the deportation of native Bulgarian Jews, who were regarded as fellow citizens.
Around one in six Jews killed in the Holocaust died in Auschwitz.[195] By nation, the greatest number of Auschwitz's Jewish victims originated from Hungary, accounting for 430,000 deaths, followed by Poland (300,000), France (69,000), Netherlands (60,000), Greece (55,000), Protectorate of Bohemia and Moravia (46,000), other camps (34,000), Slovakia (27,000), Belgium (25,000), Germany and Austria (23,000), Yugoslavia (10,000), Italy (7,500), and Norway (690).[6] Fewer than one percent of Soviet Jews murdered in the Holocaust were killed in Auschwitz; German forces had already been driven from Russia when the killing at Auschwitz reached its peak in 1944.[196] Of the 400 Jehovah's Witnesses who were imprisoned at Auschwitz, 132 died there.[197]
The fire signaled the demise of German democracy. On the next day, the government, under the pretense of controlling the Communists, abolished individual rights and protections: freedom of the press, assembly, and expression were nullified, as well as the right to privacy. When the elections were held on March 5, the Nazis received nearly 44 percent of the vote, and with 8 percent offered by the Conservatives, won a majority in the government.
Prisoners received half a liter of coffee substitute or a herbal "tea" in the morning, but no food.[109] A second gong heralded roll call, when inmates had to line up outside in rows of ten to be counted. No matter how cold the weather, prisoners had to wait for the SS to arrive for the count. How long they stood there depended on the officers' mood, and whether there had been escapes or other events attracting punishment.[110] Guards might force the prisoners to squat for an hour with their hands above their heads, or hand out beatings or detention for infractions such as having a missing button or an improperly cleaned food bowl. The inmates were counted and re-counted.[111]
Oskar Schindler (28 April 1908 – 9 October 1974) was a German industrialist and a member of the Nazi Party who is credited with saving the lives of 1,200 Jews during the Holocaust by employing them in his enamelware and ammunitions factories in occupied Poland and the Protectorate of Bohemia and Moravia. He is the subject of the 1982 novel Schindler's Ark and its 1993 film adaptation, Schindler's List, which reflected his life as an opportunist initially motivated by profit, who came to show extraordinary initiative, tenacity, courage, and dedication to save the lives of his Jewish employees.