History & Historical Studies

Executive Overview

On January 29, 1863, amid the snowy terrain of a valley in what is now southeast Idaho, units of the Third Regiment California Volunteer Infantry executed one of the deadliest military assaults on Indigenous peoples in United States history. Known today as the Bear River Massacre, the predawn attack targeted a peaceful winter encampment of the Northwestern Band of the Shoshone Nation. Within a matter of hours, Union soldiers slaughtered an estimated 250 to 500 men, women, and children.

While tragedies such as the 1864 Sand Creek Massacre and the 1890 Wounded Knee Massacre became deeply embedded in the American consciousness, the Bear River Massacre remained largely obscured. Overshadowed by the contemporary turmoil of the American Civil War and dismissed by historical chroniclers who ignored Indigenous perspectives, the atrocity faded from national memory.

Today, however, the Northwestern Band of the Shoshone Nation is reclaiming this site and reshaping its narrative. Rather than allowing the bloodshed to define their legacy, tribal leaders are leading a massive ecological and cultural restoration project. By purchasing vital acreage, removing invasive species, reintroducing beavers, and freeing the Bear River from agricultural restrictions, the Shoshone are healing the land. As tribal leadership emphasizes, their method of honoring ancestors is rooted not in stone monuments, but in the earth itself—bringing nature back into balance and delivering a powerful, living testament that the Shoshone people are still here.

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

Detailed Chronology

The Shoshone Homeland and Rising Tensions

Long before the arrival of European and Euro-American settlers, nomadic Shoshone communities roamed vast territories spanning modern-day Wyoming, Utah, Idaho, Nevada, and California. The Eastern Shoshone adapted a horse culture focused on following bison herds across the plains, while the Western Shoshone relied on a diversified subsistence strategy of foraging, hunting, and fishing in the desert basins.

As settlers moved westward, particularly following the arrival of Mormon pioneers led by Brigham Young in the Great Basin, the geopolitical landscape shifted dramatically. Initially, Young advocated for peaceful coexistence, urging his followers to feed rather than fight the Indigenous populations. However, as waves of homesteaders appropriated fertile lands, traditional Shoshone hunting and fishing grounds were systematically destroyed. Driven by necessity and starvation, some Shoshone bands resorted to poaching cattle and taking food supplies.

Tensions escalated sharply after isolated skirmishes resulted in casualties on both sides. Although the individuals involved in these localized conflicts frequently belonged to different bands, white authorities and settlers painted the entire Shoshone population with a broad brush. Inflammatory rhetoric in regional newspapers, such as the Deseret News, escalated public sentiment against the tribe, with editorials openly endorsing military eradication.

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 Path to Bear River: Colonel Patrick Connor’s Campaign

Determined to pacify the region, the United States military assigned the Third Regiment California Volunteer Infantry under the command of Colonel Patrick Edward Connor. An immigrant from County Kerry, Ireland, who had seen action in the Mexican-American War, Connor viewed the Shoshone resistance as a treasonous affront to federal authority. Armed with warrants for the arrest of three tribal leaders and vowing to take no prisoners, Connor marched his troops north through deep winter snows toward the Shoshone winter encampment.

On January 28, 1863, just a day before the assault, the local press published editorials cheering on the approaching volunteers, expressing hope that the military would successfully "wipe them out." Unaware of Connor’s genocidal intentions, the Shoshone community gathered in a protected valley featuring natural hot springs, a traditional site used for winter rejuvenation.

The Atrocity of January 29, 1863

The attack commenced in the predawn hours of January 29, 1863, amid bitter cold and deep snowdrifts. While community members slept, Union soldiers opened fire without issuing a call for surrender or negotiation. The Shoshone possessed minimal ammunition and few rifles, forcing them to rely on tomahawks, spears, and bows and arrows against organized military firepower.

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

As the slaughter unfolded, desperate noncombatants sought refuge by jumping into the freezing waters of the Bear River. Historical accounts preserved by tribal descendants—such as Mae Timbimboo Parry—describe harrowing scenes, including mothers forced to make impossible choices to prevent crying infants from revealing hiding places to soldiers. Twelve-year-old Yeager Timbimboo, son of Chief Sagwitch, survived the massacre by playing dead beneath the bodies of the fallen.

By early afternoon, the shooting stopped, leaving between 250 and 500 Shoshone dead across the snow-covered landscape. Despite executing hundreds of noncombatants, Colonel Connor faced no military reprimand; instead, the federal government rewarded his actions with a promotion to brigadier general.


Supporting Context & Metrics

Comparative Casualties in the American Indian Wars

The historical footprint of the American Indian Wars contains several major engagements and massacres. Understanding the scale of Bear River requires viewing it alongside other federally recognized tragedies:

This 1863 Massacre Was the Deadliest Slaughter of Native Americans in U.S. History. Now, the Shoshone Are Restoring the Site of the Attack
  • Bear River Massacre (January 29, 1863): Estimated 250 to 500 Shoshone deaths. This event remains the single deadliest attack on Native Americans by U.S. military forces in history, yet it received negligible press coverage due to the concurrent American Civil War.
  • Battle of the Little Bighorn (June 25–26, 1876): Roughly 210 U.S. soldiers, including Lieutenant Colonel George Armstrong Custer, were killed by an allied force of 2,000 Lakota Sioux and Northern Cheyenne warriors.
  • Wounded Knee Massacre (December 29, 1890): The U.S. Army’s Seventh Cavalry slaughtered nearly 300 Lakota people—predominantly women and children—at Wounded Knee Creek, South Dakota. While Wounded Knee became permanently etched in American historical memory, Bear River remained largely forgotten for over a century.

The Suppression and Recovery of Indigenous History

For generations, the memory of Bear River was preserved primarily through oral histories passed down within families. Prominent figures like Mae Timbimboo Parry—a survivor of the harsh Indian boarding school system governed by the assimilationist doctrine of "kill the Indian, and save the child"—worked tirelessly to record tribal oral histories. Despite facing severe punishments for speaking their native language in boarding schools, individuals like Mae resisted cultural erasure.

In the late 20th century, academic scholarship began to shift. Historian Brigham D. Madsen published foundational works like Shoshoni Frontier and the Bear River Massacre in 1985, while former Northwestern Band of the Shoshone Nation chairman Darren Parry published The Bear River Massacre: A Shoshone History in 2019, cementing an authentic Indigenous perspective in modern literature.


Official Statements

The transformation of the Bear River site from a neglected battlefield into a preserved cultural landmark has been driven by the persistent advocacy and leadership of the Northwestern Band of the Shoshone Nation.

This 1863 Massacre Was the Deadliest Slaughter of Native Americans in U.S. History. Now, the Shoshone Are Restoring the Site of the Attack
  • Darren Parry, Former Chairman and Author:

    "The Bear River Massacre does not define us today. The loss has made us stronger, more resilient. It’s a horrific thing. I can’t even imagine what my ancestors suffered. But playing the victim here and becoming bitter is not the way to honor our ancestors. We honor them by telling their story."

  • Brad Parry, Vice Chairman and Restoration Project Lead:

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

    "When you attack a sleeping village of Indian men, women and children, you can’t call that a battle. The settlers honored their ancestors by building monuments and putting up statues. Our way of honoring them is in the dirt, by bringing nature back into balance. The massacre site is now a place of healing. It is a living statement that we’re still here."


Future Outlook

Ecological Restoration and Cultural Revival

The path forward for the Northwestern Band of the Shoshone Nation centers on comprehensive environmental restoration. In 2018, leveraging tribal backing and community funds, Brad Parry spearheaded the acquisition of 350 acres of the massacre site, establishing it as the largest contiguous parcel owned by the tribe. This milestone earned Brad the inaugural Schnitzer Prize of the West.

The ongoing revitalization effort, known as the Wudaogwa project, focuses on restoring the native ecosystem:

This 1863 Massacre Was the Deadliest Slaughter of Native Americans in U.S. History. Now, the Shoshone Are Restoring the Site of the Attack
  • Invasive Species Removal: Conservation crews have systematically eradicated water-hogging invasive flora, such as the Russian olive tree, which choked natural waterways.
  • Native Flora Re-establishment: Botanists and tribal members have replanted native species including willows, milkweed, cedar, Indian tobacco, and chokecherries to support traditional ceremonies and traditional medicine practices.
  • Hydrological and Wildlife Recovery: The Bear River, historically channelized and dammed for intensive agricultural development, has been unburdened to flow freely. Furthermore, reintroducing native beaver populations helps naturally engineer wetlands, restoring water tables.

Impact on Regional Water Security

Beyond its profound cultural significance, the ecological rehabilitation of the Bear River carries immense environmental benefits for the broader region. As the single largest tributary to the imperiled Great Salt Lake, the restored river system is expected to return roughly 13,000 acre-feet of water annually to the lake, aiding efforts to combat severe ecological decline.

Ultimately, the Shoshone nation views this work as an intergenerational investment. The restored valley is designed to function as an outdoor classroom where youth can reconnect with their heritage, learn ancestral plant management, and understand the deep spiritual bond between the Newe ("The People") and the land. By turning a site of historical trauma into an epicenter of ecological renewal, the Northwestern Band of the Shoshone Nation ensures that their history endures not merely as a ledger of past grievances, but as a vibrant, breathing blueprint for the future.