Events January events January 1 – All major railways in Great Britain are amalgamated into the "Big Four" companies, the Great Western Railway, London & North Eastern Railway, London, Midland & Scottish Railway and Southern Railway, under terms of Railways Act 1921. January 30 – Canadian National (CN) absorbs the Grand Trunk Railway and spins off the portion of the Grand Trunk within the United States to form the Grand Trunk Western Railroad (GTW); CN operates GTW as a subsidiary railroad. National ownership encourages freight rates favoring use of Canadian seaports in the Maritimes, and causes declining freight volumes over the New England line to Grand Trunk seaport facilities in Portland, Maine. February events February 7 – London & North Eastern Railway (Great Britain) takes delivery of express passenger 4-6-2 steam locomotive Flying Scotsman from its Doncaster Works. March events March 10 – Norfolk & Western Railroad (United States) takes delivery of its first Y3a Class 2-8-8-2 steam locomotive from ALCO. April events April 1 – Yamaguchi Line, Ogori (Shin-Yamaguchi) to Masuda route officially completed in Japan, a direct passenger express service start from October 1961. July events July 6 – Ongarue railway disaster: In New Zealand, about 6:00 am, the southbound Auckland to Wellington express rounds a sharp bend and ploughs into a landslip which had fallen across the railway line near Ongarue, just north of Taumarunui. 17 passengers die and 28 others are injured. July 11 – The Ofoten Line in Norway takes electric traction into use. July 15 – Warren G. Harding, President of the United States, drives the golden spike on the Alaska Railroad. July 18 – In the United States, Fruit Growers Express (FGE) and the Great Northern Railway form the Western Fruit Express (WFE) in order to compete with the Pacific Fruit Express and Santa Fe Refrigerator Despatch in the west. July 20 – First Victorian Railways electric locomotive, #1100 built at its Newport Workshops, is placed into freight service in Melbourne, Australia. August events August 1 – City of Glasgow (Scotland) takes over operation of the Glasgow Subway. August 4 – The Otira Tunnel (8.5 km) on the Midland Line in New Zealand opens, worked by electric traction; construction had started in 1907 and at opening it is the longest in the British Empire (and remains the longest in South Island). August 11 – Great Western Railway (Great Britain) places the first of