Aktion T4 (German, pronounced [akˈtsi̯oːn teː fiːɐ]) was a campaign of mass murder by involuntary euthanasia which targeted people with disabilities in Nazi Germany. The term was first used in post- war trials against doctors who had been involved in the killings. [ 4 ]

T4 Program, Nazi German effort—framed as a euthanasia program—to kill incurably ill, physically or mentally disabled, emotionally distraught, and elderly people. Adolf Hitler initiated the program in 1939.

Oct 7, 2020 · The Nazi Euthanasia Program, codenamed Aktion "T4," was the systematic murder of institutionalized people with disabilities. Read about Nazi “euthanasia.”

Jun 3, 2021 · Inside the Aktion T4 program, the Nazi euthanasia initiative that saw as many as 300,000 disabled people killed that many historians refer to as the Nazi's "rehearsal" for the Holocaust. They starved and gassed them — and some of the perpetrators got off light.

His death would mark the start of one of the most hideous programmes of the Second World War – the mass murder of the mentally ill and the physically disabled throughout Germany and some of its occupied territories. The programme would come to be known as Aktion T4.

T4 Program, also called T4 Euthanasia Program, Nazi German effort to kill the mentally ill, physically or mentally disabled, emotionally distraught, and elderly. Adolf Hitler initiated the program in 1939, and, while it was officially discontinued in 1941, killings continued covertly until the German military defeat in 1945.

Though usually viewed as a prelude to the Holocaust, the T4 euthanasia program was a distinct genocide carried out by the Third Reich’s doctors. Allowing themselves to be corrupted by eugenics and Nazi policy, the perpetrators of the Nazi euthanasia killings transformed themselves from healers to murderers.

The dark past of the Nazi euthanasia program is highlighted in the installations at Tiergartenstrasse 4. It became possible with the help from multiple government departments and private institutions.

Aktion T4, the Nazi Euthanasia program in Germany, killed an estimated 200.000 people. By the end of 1941, every third resident of a mental institution in Germany was already dead, either from murder or from starvation, resulting in 93.000 available beds.

October 2019 marks 80 years since the inception of the first Nazi mass murder program, codenamed T-4. It began two years before the genocide of 6 million European Jews began. The Holocaust took place because individuals, groups and nations made decisions to act, or not to act.