The 19th century witnessed an extraordinary phenomenon: the rise of World’s Fairs, grand exhibitions that showcased the triumphs of the Industrial Revolution while forecasting a future of technological wonder. These events were more than mere fairs; they were powerful statements of national pride, human ingenuity, and global interconnectedness. From London to Paris, they became stages where nations competed not with weapons, but with innovation, art, and architecture, leaving a legacy that co...