Long before European settlement, the area was inhabited by indigenous peoples, predominantly the Potawatomi, as well as the Miami, Sauk, and Fox nations. The name "Chicago" derives from the local indigenous word *shikaakwa*, referring to the wild garlic that grew abundantly near the waterways. The first permanent non-indigenous settler was Jean Baptiste Point du Sable, a man of African and French descent, who established a trading post at the mouth of the Chicago River in the 1780s.
Chicago was officially incorporated as a city in 1837. Its strategic location at a continental portage—connecting the Great Lakes to the Mississippi River watershed via the Illinois and Michigan Canal—sparked rapid growth. The arrival of the railroads cemented Chicago as the nation's premier transportation and logistics hub. The Great Chicago Fire of 1871 devastated the city, destroying thousands of buildings and leaving a third of the population homeless. However, the tragedy catalyzed an unprecedented rebuilding effort that birthed the modern skyscraper and culminated in the spectacular 1893 World's Columbian Exposition.
During the 20th century, Chicago transformed dramatically. The Great Migration saw hundreds of thousands of Black Americans move from the rural South to Chicago, fundamentally shaping the city's cultural, musical, and political landscape. The era also brought strong labor movements, rapid industrialization, and the infamous Prohibition-era organized crime led by figures like Al Capone. In the latter half of the 20th and early 21st centuries, Chicago transitioned from a heavily manufacturing-based economy to a diversified, post-industrial global city, continuing to evolve through ambitious urban revitalization and architectural innovation.