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]
^ Jump up to: a b Eberhard Jäckel (Die Zeit, 1986): "Ich behaupte ... daß der nationalsozialistische Mord an den Juden deswegen einzigartig war, weil noch nie zuvor ein Staat mit der Autorität seines verantwortlichen Führers beschlossen und angekündigt hatte, eine bestimmte Menschengruppe einschließlich der Alten, der Frauen, der Kinder und der Säuglinge möglichst restlos zu töten, und diesen Beschluß mit allen nur möglichen staatlichen Machtmitteln in die Tat umsetzte." ("I maintain ... that the National Socialist killing of the Jews was unique in that never before had a state with the authority of its leader decided and announced that a specific group of humans, including the elderly, the women, the children and the infants, would be killed as quickly as possible, and then carried out this resolution using every possible means of state power.")[35]
This photographic exhibit shows the camp as it exists today, empty and quiet. Many hundreds of thousands of people visit here from all over the world each year. Every day one can observe, in addition to people of many lands, numerous bus-loads of Polish students walking the camp with their teachers and guides. These days, thanks to a new treaty and better relations between Israel and Poland, one can observe many Israeli youth with their teachers, visiting the camp.

The first major camp to be encountered by Allied troops, Majdanek, was discovered by the advancing Soviets on 25 July 1944.[375] Treblinka, Sobibór, and Bełżec were never liberated, but were destroyed by the Germans in 1943.[376] Auschwitz was liberated, also by the Soviets, on 27 January 1945;[377] Buchenwald by the Americans on 11 April;[378] Bergen-Belsen by the British on 15 April;[379] Dachau by the Americans on 29 April;[380] Ravensbrück by the Soviets on 30 April;[381] and Mauthausen by the Americans on 5 May.[382] The Red Cross took control of Theresienstadt on 4 May, days before the Soviets arrived.[383][384]
The Jews killed represented around one third of the world population of Jews,[398] and about two-thirds of European Jewry, based on an estimate of 9.7 million Jews in Europe at the start of the war.[399] Much of the uncertainty stems from the lack of a reliable figure for the number of Jews in Europe in 1939, numerous border changes that make avoiding double-counting of victims difficult, lack of accurate records from the perpetrators, and uncertainty about whether deaths occurring months after liberation, but caused by the persecution, should be counted.[392]
Birkenau was subdivided into several sections, fairly isolated from one another, and each supporting its own unique cultural scene.  There was a men’s camp, a women’s camp, and two ‘family camps’, one for Roma and Sinti, and the other for Jews brought from Theresienstadt.  Both ‘family camps’ were eventually liquidated, but before then the inmates were allowed to live in relatively better conditions than the other inmates.  They were not required to have their heads shaved, at least initially were given more generous rations and various other 'privileges', and above all were allowed to stay together as families.  Each of these mini-camps supported its own band, as well as a variety of singing, performing and instrumental groups.
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.
A hedonist and gambler by nature, Schindler soon adopted a profligate lifestyle, carousing into the small hours of the night, hobnobbing with high ranking SS-officers, and philandering with beautiful Polish women. Schindler seemed to be no different from other Germans who had come to Poland as part of the occupation administration and their associates. The only thing that set him apart from other war-profiteers, was his humane treatment of his workers, especially the Jews.
The first 'bunker', with two sealed rooms, operated from January 1942 to the end of that year. The second, with four air tight rooms, became redundant in the spring of 1943, but remained standing and was used again in the autumn of 1944 when extra 'capacity' was needed for the murder of Hungarian Jews and the liquidation of the ghettos. The second measured about 1.134 square feet. The victims murdered in the 'bunkers' were first obliged to undress in temporary wooden barracks erected nearby. Their bodies were taken out of the gas chambers and pushed to pits where they were burned in the open. Between January 1942 and March 1943, 175,000 Jews were gassed to death here, of whom 105,000 were killed from January to March 1943.

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.

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]
Beginning in late 1941, the Germans began mass transports from the ghettoes in Poland to the concentration camps, starting with those people viewed as the least useful: the sick, old and weak and the very young. The first mass gassings began at the camp of Belzec, near Lublin, on March 17, 1942. Five more mass killing centers were built at camps in occupied Poland, including Chelmno, Sobibor, Treblinka, Majdanek and the largest of all, Auschwitz-Birkenau. From 1942 to 1945, Jews were deported to the camps from all over Europe, including German-controlled territory as well as those countries allied with Germany. The heaviest deportations took place during the summer and fall of 1942, when more than 300,000 people were deported from the Warsaw ghetto alone.

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.