Colombia, short-lived republic (1819–30), formerly the Viceroyalty of New Granada, including roughly the modern nations of Colombia, Panama, Venezuela, and Ecuador.
The United States bought the Virgin Islands from Denmark for $25 million on January 17, 1917.
The cultural assimilation of Native Americans was an assimilation effort by the United States to transform Native American culture to European–American culture between the years of 1790 and 1920. ... It established Native American boarding schools which children were required to attend.
