After this landmark fell,
After this landmark fell, the British garrison at Crown Point on Lake Champlain almost immediately surrendered. An undermanned fortress on the route to Montréal, in May 1775 it was captured by two Americans, one of whom would later become a traitor. FTP, identify this fort that was overrun by Benedict Arnold and Ethan Allen, along with his Green Mountain Boys.
After this landmark fell, the British garrison at Crown Point on Lake Champlain almost immediately surrendered.
Fort {Ticonderoga}