The history of the city of Colón is inextricably linked to one of the greatest engineering projects of the 19th century—the construction of the Panama Railroad. The city was founded in 1850 by American engineers and workers as the Atlantic terminal of this transoceanic route. Initially, the settlement was named Aspinwall in honor of one of the railroad company's founders, William Aspinwall. However, the Spanish-speaking population called it Colón in honor of Christopher Columbus, and in 1890, this name became official. The city's emergence was directly driven by the California Gold Rush: the railroad became the fastest route for tens of thousands of travelers seeking to get from the East Coast of the U.S. to the West.
A key factor in the establishment and development of Colón was its exceptional geographical position. Located on Manzanillo Island at the entrance to Limon Bay, the city controlled access to the Caribbean Sea, serving as the maritime gateway for the trans-isthmus route. Initially, its prosperity was ensured by the railroad, and with the start of the 20th century, by the construction and operation of the Panama Canal, which turned Colón into the second-largest city in Panama and one of the most important ports in the Western Hemisphere.
Since its founding, Colón has developed as a dynamic and cosmopolitan center. The city's economy was entirely focused on port activities, trade, and servicing transit passenger and cargo flows. The city's cultural identity was shaped by many waves of immigrants and temporary workers from all over the world—from the US, Europe, the Caribbean, and Asia. This created a unique multicultural atmosphere characteristic of major international ports.