Mar 1848–Sep 1851Rae exploresArctic coast
12 May 1848–? Nov 1849Ross expeditionsearches for Franklin
Jan 1849Colony of Vancouver I. founded
Jan 1850–Oct 1854McClure’s ship trapped inice but completesNW Passage by sledge
May 1850–Sep 1851Grinnell expeditionfinds remains ofFranklin’s camp
Aug 1850Russians beginsettling Amur region