In 1804, Richard Trevithick achieved a landmark in technology and transportation with the first successful steam-powered railway journey. On February 21, Trevithick's locomotive carried 10 tons of iron, 70 passengers, and five wagons over 9.75 miles at Penydarren Ironworks, Wales. This pioneering event showcased the potential of steam locomotion, contributing significantly to future railway advancements and marking a vital milestone in the Industrial Revolution.