This 1863 Massacre Was the Deadliest Slaughter of Native Americans in U.S. History. Now, the Shoshone Are Restoring the Site of the Attack

The Shoshone are undertaking a restoration effort at the site of the Bear River Massacre, an 1863 assault in present-day southeastern Idaho that is widely regarded as the deadliest mass killing of Native Americans in United States history. The work is directed toward repairing a landscape marked by loss and toward returning the area to a healthier ecological condition. In the words associated with the project, the goal is to bring “nature back into balance.”

The attack occurred on January 29, 1863, in a valley along the Bear River. At a time when conflict between white settlers and the Shoshone was escalating, soldiers from a Union Army regiment moved against a Shoshone community. The operation unfolded over only a few hours, but its consequences have endured for generations. Estimates of those killed range from roughly 250 to 500 people.

Those estimates include Shoshone men, women and children, underscoring that the violence was not confined to combatants. The uncertainty surrounding the total is itself part of the historical record: available accounts do not produce a single agreed number, yet they consistently point to an enormous human toll. Whether measured at the lower or upper end of the estimate, the killings place Bear River among the most devastating episodes of violence against Indigenous people in the country.

Its scale is often set beside two massacres that are more familiar in public memory: Sand Creek in 1864 and Wounded Knee in 1890. The estimated death toll at Bear River is believed to exceed those later events. Even so, Bear River has not occupied the same place in national remembrance. That contrast raises a practical question for the restoration now underway: how to care for a place whose history has been less broadly recognized than its magnitude would suggest.

The Shoshone effort links commemoration to stewardship of the land itself. Restoring a massacre site is not simply a matter of identifying a location on a map or preserving a historical marker. The stated emphasis on ecological balance frames the work as a response to a living environment as well as a memorial to those who died. It also places Shoshone people at the center of deciding how the site should be understood and cared for.

Bear River sits within a much longer history of conflict between Native communities and newcomers to North America. Violence against Indigenous peoples began soon after Europeans arrived on the continent. Early clashes commonly grew from contests over territory between settlers and Native peoples. Over time, the United States government became a direct force in attacks on tribes and in removing Indigenous people from their ancestral lands.

That wider history helps explain why the 1863 attack cannot be treated as an isolated event. It took place amid pressures over land and rising tensions in the region, while government power was increasingly used against Indigenous nations. The massacre’s victims were members of a community caught in that larger pattern, rather than figures in a distant and self-contained episode. Remembering the event therefore requires attention both to what happened in the valley and to the systems of dispossession that shaped the period.

For a general public that may know Sand Creek or Wounded Knee more readily than Bear River, the restoration creates an opportunity to revisit the historical record without reducing the place to a statistic. The range of estimates should be acknowledged rather than flattened into false certainty, and the community’s losses should be recognized in human terms. The fact that the attack remains comparatively little known is a caveat against assuming that public prominence tracks historical severity.

What comes next will be measured not only by the condition of the site, but also by whether restoration expands understanding of the massacre and its aftermath. The Shoshone initiative offers a present-day response rooted in care for the valley and in recognition of the people killed there. By pursuing environmental renewal alongside remembrance, the project points toward a future in which the land’s history is neither erased nor left solely in the past.

Source: Smithsonian Magazine