The history of Passo Fundo is closely tied to the era of exploration of Brazil's southern lands. Its name, which translates as "Deep Ford," was given to the area due to a river that cattle drovers (*tropeiros*) had to ford. The first settlements on these lands, originally inhabited by the Kaingang and Guarani indigenous tribes, began to appear in the 1820s. The official founding date of the city is considered to be August 7, 1857, when it was administratively designated as an independent municipality.
Several key factors contributed to the city's rapid growth. Its geographic location at the intersection of important cattle drover routes made it a strategic point for rest and trade, attracting more settlers. Gaining municipal status in 1857 provided a powerful boost to administrative and social development, allowing for the formation of local authorities. Economically, the city also developed quickly: initially based on cattle ranching and yerba mate cultivation, Passo Fundo eventually transformed into one of the region's key agricultural hubs, known for growing wheat and soybeans, thanks to its fertile lands.
From the very beginning, Passo Fundo formed as a multi-ethnic city. In addition to Portuguese settlers, a significant contribution to its development was made by immigrants from Italy and Germany, who brought their cultural traditions and agricultural know-how. This cultural diversity is reflected in the architecture, cuisine, and customs of the citizens. Thanks to its strategic position and agricultural potential, the city quickly became an important trade hub where the interests of farmers, cattle ranchers, and artisans from across the region converged.