Railroad history began in the early 19th century, transforming transportation and commerce. The first successful steam locomotive, built by George Stephenson in 1814, marked a significant milestone. Railroads quickly spread across Europe and North America, connecting cities and facilitating the movement of goods and people. This innovation played a crucial role in the Industrial Revolution, boosting economies and shaping modern society. In the United States, the completion of the Transcontinental Railroad in 1869 linked the east and west coasts, making travel and trade more efficient. Railroads also contributed to the expansion of the American West, allowing settlers to move westward and explore new territories. Today, railroads remain vital for freight and passenger transport worldwide.