London and Croydon Railway Opens

On June 26, 1839, the London and Croydon Railway began regular passenger service, marking a key expansion of Britain's early rail network during the Railway Mania era. Engineer Joseph Locke oversaw construction, overcoming challenges with the challenging terrain south of London using innovative earthworks and viaducts. The line initially used steam locomotives and later experimented with atmospheric propulsion. It connected the capital to growing suburbs, boosting commuter travel and commerce. Absorbed into the London Brighton and South Coast Railway in 1846, its infrastructure influenced modern Southern Railway routes and remains part of the UK's National Rail system today.