American Frontier By meadersd17 Nov 18, 1838 William Keith Born Mar 30, 1867 Westward Expansion Ends with the Purchase of Alaska Apr 18, 1872 Sentinel Rock, Yosemite Jan 4, 1877 Marsden Hartley Born Apr 18, 1908 Hall of the Mountain King Painted Apr 13, 1911 William Keith Died Apr 18, 1942 Tom Uttech Born Sep 2, 1942 Marsden Hartley Died Aug 26, 1959 Hawaii annexed - Last territorial gain by the United States Apr 18, 2009 Enassamishhinjijweian Painted
