Our history books paint US history in a certain light. Author Roxanne Dunbar-Ortiz's work tells the true history of the United States. Her 1977 book The Great Sioux Nation was the fundamental document at the First United Nations Conference on Indians in the Americas, which was held at the United Nations’ headquarters in Geneva. Roxanne Dunbar-Ortiz has also written on the 1960s social movements, feminism, Latin America, and international human rights law.