Slavery was an accepted custom in many Native tribes. On May 8, 1886, District Judge Layfayette Dawson in Sitka decided that the Thirteenth Amendment and the 1866 Civil Rights Act abolishing slavery applied to the "uncivilized tribes" of Alaska. ...
Treaty concerning the Cession of the Russian Possessions in North America by his Majesty the Emperor of all the Russians to the United States of America; Concluded March 30, 1867.