When did Mianyang Historical Train come into being?
The earliest railway in Mianyang was baoji-chengdu railway, and baoji-chengdu railway started from Chengdu in July 1952 and Baoji in June 1954. July 1956, the two ends meet in Huangshahe, Gansu. 1 958 65438+1October1officially opened to traffic, and the whole line was pulled by steam locomotives and officially put into operation.