1940

Timelines:	1937 1938 1939 1940 1941 1942 1943
Births:	1937 1938 1939 1940 1941 1942 1943
Deaths:	1937 1938 1939 1940 1941 1942 1943
Establishments:	1937 1938 1939 1940 1941 1942 1943
Disestablishments:	1937 1938 1939 1940 1941 1942 1943
Introductions:	1937 1938 1939 1940 1941 1942 1943
Accidents:	1937 1938 1939 1940 1941 1942 1943
Images:	1937 1938 1939 1940 1941 1942 1943

By month

January

• January 14 – Santa Fe Railroad discontinues the Chicago-Los Angeles-San Francisco Navajo service.
• January 27 – The Boston, Revere Beach and Lynn Railroad in Massachusetts is abandoned.

May

• May 29 – Locaalspoorwegmaatschappij Hollands Noorderkwartier, predecessor of Steamtrain Hoorn Medemblik, resumes freight operations.

Unknown date

• Tasmanian Government Railways sees a significant increase in log traffic on the Derwent Valley Line, predecessor of the Derwent Valley Railway, due to the opening of a paper mill at Boyer, 14 km from Bridgewater.