gptkb:Black_Hills_Gold_Rush gptkb:Sioux_Wars
Homestead Act settlement
admission of North Dakota to the Union in 1889
admission of South Dakota to the Union in 1889
creation of Dakota Territory in 1861
division into North and South Dakota in 1889
gptkb:Treaty_of_Fort_Laramie_(1868)
railroad expansion
displacement of Native Americans
Battle of the Little Bighorn (1876)
founding of Deadwood
settlement by European Americans