
Long before European settlement, the Aurora region along the Fox River was the territory of the Potawatomi nation, with the Fox (Meskwaki) and Sauk nations also hunting and trading in the area. The Potawatomi, known as the "Keepers of the Fire," established seasonal villages along the Fox River corridor, using the waterway for transportation, fishing, and trade. The river valley was rich in game, timber, and fertile soil, supporting substantial Indigenous populations who maintained extensive kin networks and trade relationships across the Great Lakes region. European contact brought devastating epidemics of smallpox and other diseases that killed large numbers of Potawatomi, while the fur trade disrupted traditional economies and increased intertribal competition.
The Black Hawk War had direct consequences for the Aurora region. The Sauk leader Black Hawk and his followers crossed the Rock River in 1832, attempting to reclaim ancestral lands that had been ceded under disputed treaties. The war resulted in the brutal massacre of Sauk and Fox families at the Bad Axe River in Wisconsin, where US forces killed approximately 300 unarmed Indigenous people, including women and children. The Illinois militia, including local volunteers from the Fox River valley, pursued Black Hawk's band. Following the war, the US government forcibly removed the remaining Potawatomi, Sauk, and Fox nations from Illinois through the Indian Removal Act, opening central and northern Illinois to white settlement.
During the American Civil War (1861-1865), Aurora played a critical role as a manufacturing center for the Union Army. The city's growing industrial base — including the Chicago, Burlington & Quincy Railroad shops and numerous factories — produced weapons, uniforms, ammunition, and rail equipment for the Union war effort. Aurora's population contributed heavily to the war, with over 2,000 men from the city and surrounding area enlisting in Union regiments. The city's factories operated around the clock, employing women and children to meet wartime production quotas. The war transformed Aurora from a small mill town into a significant industrial center, setting the stage for its rapid post-war expansion. Camp Kane near Aurora served as a training camp for the 8th Illinois Cavalry, which fought in major battles including Gettysburg.
Aurora's identity as an industrial powerhouse made it a focal point of the labor wars of the late 19th and early 20th centuries. The Great Railroad Strike of 1877, a nationwide uprising of railroad workers against wage cuts and brutal working conditions, paralyzed Aurora's rail yards. The Knights of Labor and later the American Railway Union organized workers in the city's rail shops and factories. The 1894 Pullman Strike shut down rail traffic through Aurora, leading to federal troops being deployed to break the strike. The 1914 Ludlow Massacre and the broader Colorado Coal Strike inspired solidarity actions among Aurora workers. Factory owners hired Pinkerton detectives and armed strikebreakers to suppress union organizing through intimidation, beatings, and blacklisting. These labor conflicts exposed the violent exploitation of industrial workers by the capitalist class in the rapidly industrializing Midwest.
The mid-20th century brought deindustrialization as factories closed and manufacturing jobs moved overseas. Aurora lost thousands of well-paying union jobs, leading to economic decline, poverty, and social dislocation. The city's Black and Latino communities, who had migrated to Aurora for industrial work, were disproportionately affected by the loss of jobs and faced systematic discrimination in housing, policing, and employment. The demolition of the city's historic African American neighborhood in the 1960s under urban renewal displaced hundreds of Black families and destroyed a vibrant community. Racial tensions erupted in periodic conflicts, and the city struggled with police violence, gang violence, and white flight to the suburbs. The legacies of industrial decline and systemic racism continue to shape Aurora's social and economic landscape.