Construction began at Sağmalcılar in 1956, in a district whose name—Bayrampaşa—was itself a later designation. The facility opened in 1968 on a sprawling 120,000-square-meter site, receiving inmates transferred from the closing Sultanahmet Jail in the city's historic core. The new prison was larger, newer, and more remote than its predecessor—further from the old city's scrutiny, further from the courts and consulates that once had reason to notice. Over the following decades it held a mix of criminal and political detainees, and it acquired the kind of reputation that large, overcrowded Turkish prisons of that era routinely carried. American writer Billy Hayes, whose experiences at Sağmalcılar in the 1970s became the basis for the book and film Midnight Express, was among its most internationally known former inmates—though his story predated the events for which the prison is now most remembered.

In the autumn of 2000, hundreds of prisoners across Turkey began refusing food. Their stated reason was opposition to a new prison model—so-called F-type facilities—that would house inmates in small cells of one to three people rather than the large communal wards that had characterized Turkish prisons for generations. Prisoners and their advocates argued that isolation in small cells amounted to a form of psychological punishment. The Turkish government argued the new system would reduce gang violence and prevent organized criminal networks from operating inside prisons. Both sides held their positions. By December, the hunger strikes had lasted months and the government concluded it needed to act. On the 19th of December, approximately 10,000 security personnel entered some twenty prisons across the country in what officials presented as a rescue operation. At Bayrampaşa, the assault involved fire—accounts differ on who started it and what was intended. According to fire service reports, a fire had been lit inside the prison. Autopsies recorded deaths from carbon dioxide poisoning, gunshots, and explosives. Twelve inmates died at Bayrampaşa. Across all affected prisons, the toll reached at least thirty-one prisoners and two soldiers.

The Turkish government described the operation as necessary and proportionate, aimed at ending a dangerous standoff and moving inmates to safer modern facilities. Prisoner advocates, human rights organizations, and the families of the dead characterized what happened differently—as a massacre, carried out with excessive and lethal force against people who were already weakened by weeks or months of fasting. The legal proceedings that followed extended for years without resolution. In 2016, the European Court of Human Rights found Turkey guilty of violating the right to life in relation to the Bayrampaşa operation and ordered payment of damages. Turkish courts, for their part, acquitted security personnel who faced charges. The dispute about what the operation was—rescue or assault, proportionate or excessive—was never fully resolved in any forum. The dead on both sides are a fact. What those deaths mean remains, depending on who is speaking, a matter of official record or of unacknowledged accountability.

Bayrampaşa Prison closed in 2008, as part of a broader Turkish Ministry of Justice initiative to shut facilities deemed to fall below contemporary standards. The site did not remain empty. By the late 2010s, 2,270 residential units had been constructed on the former prison grounds—a transformation that was not without controversy. In November 2019, Istanbul's Municipal Council declined to accept a related zoning plan. The conversion of a prison site into a housing development is not unusual; it happens in cities everywhere. What is perhaps more particular to this site is the weight of specific memory that the land carries—the decades of inmates, the months of hunger strikes, the morning of December 19th, and the twelve people who did not survive it. The apartments that stand there now do not mark any of this. The neighborhood has moved on in the way that neighborhoods must.

Bayrampaşa today is an inland district, lacking the Bosphorus views or historic grandeur of Istanbul's more celebrated quarters. It is a working district—home to light industry, transit corridors, and residential blocks. The former prison site blends into this texture now, the residential buildings indistinguishable from the surrounding fabric. What persists is the argument: in Turkey, December 19th is marked each year by those who remember it as a day of mourning. Rights organizations continue to call for accountability. The families of the inmates who died have not stopped asking questions. The European court's finding that the right to life was violated did not close the matter for those most directly affected. This is, in the end, a story still in progress—not because new facts are emerging, but because the reckoning that some consider necessary has not arrived.