December 17, 1859 - The first passenger train crosses the newly-constructed Victoria Bridge in Montreal. At the time of its opening, it is the longest bridge in the world and the first to cross the St. Lawrence River. 
oldcanada:

Montreal, QC 1897
Victoria Bridge from South Shore
Source - LAC

December 17, 1859 - The first passenger train crosses the newly-constructed Victoria Bridge in Montreal. At the time of its opening, it is the longest bridge in the world and the first to cross the St. Lawrence River. 

oldcanada:

Montreal, QC 1897

Victoria Bridge from South Shore

Source - LAC