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Nazi concentration camps

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The Nazi concentration camp system was a vast network of detention centers operated by Nazi Germany. This system functioned between 1933 and 1945. It included more than one thousand camps and subcamps. These sites were located in Germany and throughout German-occupied Europe.

Establishment of Nazi concentration camps timeline
Establishment of Nazi concentration camps timeline

The camps were used to imprison people against their will. They were tools of terror and mass murder used by the Nazi regime. Today, the system is remembered for its extreme violence and the immense loss of human life.

The system began shortly after Adolf Hitler became Chancellor of Germany in January 1933. The Nazis used the Reichstag fire in February 1933 as a reason for mass arrests. The Reichstag Fire Decree removed personal freedoms and allowed for detention without trial. The very first camp was Nohra, which opened in a school on March 3, 1933.

Early camps were not purpose-built. They used existing structures like vacant factories, prisons, schools, and even castles. At this stage, the camps were managed by local police, the SS, or the SA. There was no single national system in these first two years.

Between 1934 and 1937, the camps became more organized and institutionalized. Heinrich Himmler and Theodor Eicke played major roles in this change. Eicke became the second commandant of Dachau, which served as a model for other camps. He created a manual of harsh punishments and a system of prisoner functionaries.

Bundesarchiv Bild 152-11-12, Dachau, Konzentrationslager, Besuch Himmlers
Bundesarchiv Bild 152-11-12, Dachau, Konzentrationslager, Besuch Himmlers

Following a purge of the SA in 1934, the SS took exclusive control of the camps. They formed the Concentration Camps Inspectorate, known as the IKL. This allowed the SS to exert absolute power over the prisoners. New camps like Sachsenhausen and Buchenwald were built specifically to be isolated from the public.

The prisoner population grew rapidly due to changing Nazi policies. Initially, most prisoners were members of the Communist or Social Democratic parties. However, the Nazis soon expanded their targets to include "asocials" and "habitual criminals."

Prisoners in the concentration camp at Sachsenhausen, Germany, December 19, 1938. Heinrich Hoffman Collection. - NARA - 540177
Prisoners in the concentration camp at Sachsenhausen, Germany, December 19, 1938. Heinrich Hoffman Collection. - NARA - 540177

This included homeless people, the unemployed, and the mentally ill. After the Kristallnacht pogrom in November 1938, Jewish men were arrested in massive numbers.

New arrivals to Mauthausen standing against a wall
New arrivals to Mauthausen standing against a wall

As World War II began, the camps also held people from occupied Europe. This included resistance fighters and Soviet prisoners of war.

Forced labor became a central part of the camp system. The SS established companies like German Earth and Stone Works (DEST) to exploit prisoner labor.

Bundesarchiv Bild 183-78612-0004, KZ Sachsenhausen, Häftlinge bei Erdarbeiten
Bundesarchiv Bild 183-78612-0004, KZ Sachsenhausen, Häftlinge bei Erdarbeiten

Prisoners were sent to work in quarries, brickworks, and even armament factories.

Concentration camp prisoners at Messerschmitt factory
Concentration camp prisoners at Messerschmitt factory

Some camps, like Flossenbürg and Mauthausen, were built specifically near quarries for this reason.

While this labor helped the war effort, it was only a marginal part of total wartime production. Most importantly, the work was performed under brutal and dangerous conditions.

The camps became increasingly lethal as the war progressed. In 1941, the SS began the systematic murder of prisoners deemed "unfit" to work. This included thousands of people sent to euthanasia centers.

Number of prisoners in the Nazi concentration camp system
Number of prisoners in the Nazi concentration camp system

At Auschwitz, the SS used Zyklon B to kill Soviet prisoners in gas chambers. The death rate rose sharply during the second half of the war. Out of approximately 1.65 million registered prisoners, about one million people died.

Kaufering IV Dachau sub-camp 1945-04-29 Nr 81368 ushmm
Kaufering IV Dachau sub-camp 1945-04-29 Nr 81368 ushmm

Many deaths also occurred during "death marches" as the camps were being evacuated.

The liberation of the camps began in 1944 and 1945 as Allied forces won victories.

Mauthausen survivors cheer the soldiers of the Eleventh Armored Division
Mauthausen survivors cheer the soldiers of the Eleventh Armored Division

When soldiers arrived, they found survivors of unimaginable hardship. Today, many of these former sites serve as museums and memorials.

Buchenwald Memorial
Buchenwald Memorial

These sites, such as the Buchenwald Memorial, honor the victims. They serve as permanent reminders of the violence and terror of the Nazi regime. Studying this history helps the world understand the consequences of injustice and the loss of human rights.

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🖼️ Images & Media (20)
File:Prisoners guarded by SA men line up in the yard of Sachsenhausen-Oranienburg.jpg
Prisoners guarded by SA men line up in...
File:Bundesarchiv Bild 152-11-12, Dachau, Konzentrationslager, Besuch Himmlers.jpg
Bundesarchiv Bild 152-11-12, Dachau,...
File:Prisoners in the concentration camp at Sachsenhausen, Germany, December 19, 1938. Heinrich Hoffman Collection. - NARA - 540177.jpg
Prisoners in the concentration camp at...
File:Bundesarchiv Bild 183-78612-0004, KZ Sachsenhausen, Häftlinge bei Erdarbeiten.jpg
Bundesarchiv Bild 183-78612-0004, KZ...
File:Concentration camp prisoners at Messerschmitt factory.png
Concentration camp prisoners at...
File:Fence at Flossenbürg concentration camp.jpg
Fence at Flossenbürg concentration camp.jpg
File:New arrivals to Mauthausen standing against a wall.jpg
New arrivals to Mauthausen standing...
File:Bundesarchiv Bild 183-78612-0003, KZ Sachsenhausen, Häftlinge bei Zählappell.jpg
Bundesarchiv Bild 183-78612-0003, KZ...
File:Kaufering IV Dachau sub-camp 1945-04-29 Nr 81368 ushmm.jpg
Kaufering IV Dachau sub-camp 1945-04-29...
File:Forced labor at Wiener Graben quarry 1942.jpg
Forced labor at Wiener Graben quarry 1942.jpg
File:Gate of Natzweiler-Struthof concentration camp after liberation.jpg
Gate of Natzweiler-Struthof concentration...
File:Fabrikgebäude Universelle-Werke Zwickauer Str. 46 - 1 (cropped).jpg
Fabrikgebäude Universelle-Werke Zwickauer...

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