The Vanceboro-St. Croix Border Crossing is notable for a bombing attempt on February 2, 1915, by who?
Vanceboro - St. Croix Border Crossing:  A few hundred yards south of this crossing is also an international rail bridge which is notable for the 1915 Vanceboro international bridge bombing incident where a German spy attempted to destroy the bridge. 1915 Vanceboro international bridge bombing: The 1915 Vanceboro international bridge bombing was an attempt to destroy the Saint Croix-Vanceboro Railway Bridge on February 2, 1915, by Imperial German spies.
Imperial German spies