The provided text outlines the historical origins and modern observance of Cochabamba Day, a significant regional holiday in Bolivia. It explains that while the settlement was first established as Villa de Oropesa in 1571, the official anniversary honors a second foundation that occurred on September 14, 1574. The city eventually reclaimed its original Incan name, which describes a landscape defined by small lakes, and was formally elevated to city status in the late 18th century. Today, this date remains a point of civic pride, commemorated through public holidays and the naming of the city’s central plaza. Additionally, the article notes that the broader Cochabamba Department was legally organi …