January 10 – The California Pacific Railroad absorbs the Sacramento and San Francisco Rail Road Company and the San Francisco and Marysville Rail Road Company.
June 9 – The Staplehurst rail crash in England, a derailment at a permanent way work site, kills ten and injures 49; Charles Dickens is amongst the survivors.
August 7 – The Lawrence Railroad and Transportation Company, with tracks in Pennsylvania and Ohio, is reorganized as the Lawrence Railroad Company.[9]
September events
September 1 – The English company John Trevor-Barkley begins construction on the Bucharest–Giurgiu line, the first railroad line built in the territory of Romania.
October 2 – First section of Sri Lanka Railways, at this time known as Ceylon Government Railways, officially opens from Colombo to Ambepussa (54km (34miles)) on 5 ft 6in (1676 mm) gauge.
The Canadian Engine and Machinery Company, predecessor of the Canadian Locomotive Company, is founded from the assets of the bankrupt Kingston Locomotive Works.