The city of Laredo, situated on the banks of the Rio Grande river in southern Texas, boasts a rich and multi-layered history shaped by its unique border location. Its story is a tale of cultural fusion and changing flags, a legacy that is still palpable in the city today.
The history of Laredo begins in 1755, when the Spanish captain Tomás Sánchez founded the settlement of Villa de San Agustín de Laredo on the northern bank of the Rio Grande. Unlike many other Texan settlements of that era, the city was established without a military fortress (presidio) or a Catholic mission, making it one of the oldest independent settlements in the region. Initially, the economy depended entirely on ranching—breeding cattle, horses, and sheep.
Laredo's further development was largely defined by its strategic position on the Rio Grande, which served as both a natural border and a vital trade route. By the 19th century, the city had transformed into a key centre of commerce, first between regions of Mexico, and later as a major border crossing for trade between Mexico and the USA. Its history was turbulent: the city has been under the rule of seven different flags, including Spain, Mexico, and even the short-lived Republic of the Rio Grande. In 1840, Laredo briefly became the capital of this republic, which existed for just 283 days.
Since its founding, Laredo has been a place where Spanish, Mexican, and later American cultures intertwined. After the Mexican-American War, when the Treaty of 1848 established the Rio Grande as the official border, the city became part of the USA. This event divided communities: some families remained on the American side, while others moved across the river to found Nuevo Laredo. It is this border position that formed the city's unique bilingual and bicultural identity, which remains its hallmark. Over time, the economy, which originated in ranching, diversified through international trade, and in the 20th century, was supplemented by oil and gas extraction.