Hadamar Clinic

The Hadamar Euthanasia Centre (German: NS-Tötungsanstalt Hadamar) was located at a psychiatric hospital in the German town of Hadamar near Limburg in Hesse from 1941 to 1945.

Beginning in 1939, the Nazis used this site as one of six for the T-4 Euthanasia Programme, which performed mass sterilizations and mass murder of "undesirable" members of German society, specifically those with physical and mental disabilities. In total, an estimated 200,000 people were killed at these facilities, including thousands of children. These actions were in keeping with the eugenics ideas about racial purity developed by German researchers. While officially ended in 1941, the programme lasted until the German surrender in 1945. Nearly 15,000 German citizens were transported to the hospital and died there, most killed in a gas chamber. In addition, hundreds of forced labourers from Poland and other countries occupied by the Nazis were killed there.

Hadamar and its hospital fell within the American occupation zone after the war. From October 8–15, 1945, United States forces conducted the Hadamar Trial, the first mass atrocity trial in the years following World War II. They prosecuted doctors and staff on charges of murdering citizens of allied countries, namely, forced labourers from Poland and other countries. The US had jurisdiction for these crimes under international law. Several people were convicted and executed for these crimes. After the German courts were reconstructed under the occupation, in 1946 a doctor and nurse were prosecuted by Germans for the murders of nearly 15,000 German citizens at the hospital. Both were convicted.

The hospital continues to operate. It holds a memorial to the euthanasia murders, as well as an exhibit about the Nazi programme.

Since the late 19th century, doctors and scientists had been developing theories of racial purity based on eugenics, a concept popular at the time that developed from several disciplines including social history, biology, anthropology and genetics. As Weindling (1989) explained, there had been several movements in Germany since the end of World War I concerned with the 'degeneration' of German racial purity that culminated with the founding in 1927 of the Kaiser Wilhelm Institute for Anthropology, Human Heredity and Eugenics. Although there had been demands since the early 1920s for legislation on sterilisation and euthanasia, these were rejected because it was believed that positive eugenics was more representative of the Weimar political structures and the nation's social needs. This approach ended in 1933 after the ascent of the Nazis in Germany.

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