August 16, 1851 First international U.S.-Canada train, Laprairie PQ to Rouses Point NY. The train set to a ?5 1/2 foot gauge, has traveled on the Champlain & St. Lawrence Railroad (later M&NY, GT) using a third rail as the C&StL is standard gauge.
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August 16, 1918 Grand Trunk Railway’s freight sheds in Ottawa ON are destroyed by fire. The loss is estimated at CA$85,000.