Events

Unknown date events Opening of Poldice Railway, Cornwall, England. Dr Richard Griffiths opens the "Doctor's Tramroad" connecting collieries with the Glamorganshire Canal system at Treforest in South Wales (). This includes a three-arch viaduct which still survives. A prototype for the Leiper Railroad, a horse drawn quarry rail line, was built in Nether Providence Township, Pennsylvania during the summer.

May events May – Completion of main construction railway at site of Bell Rock Lighthouse off the coast of Scotland.

Births

February births February 3 – Thomas Swann, president of Baltimore and Ohio Railroad 1847–1853, is born (d. 1883).

August births August 4 – Samuel Morton Peto, English railway contractor (d. 1889).

October births October 10 - Nathaniel Worsdell, English carriage builder (d. 1886). References