December 20, 1869 The Michigan Central begins joint operations with the Great Western Railway of Canada.
?
December 20, 1918 "Canadian National Railways" is approved as the new name for Canadian Government Railways.
?
December 21, 1948 Grand Trunk Western opens a new passenger depot in Grand Rapids MI. The structure and associated trackage costs $250,000. ($2.6 million in 2018 dollars.)
?
December 22, 1886 The Duluth, South Shore & Atlantic Railroad is created from the merger of the Sault Ste. Marie & Marquette, Mackinaw & Marquette and Wisconsin, and Sault Ste. Marie & Mackinac Railroad Companies.
?
Mark Tomlonson