From Time Immemorial—Early Peoples of North Dakota How Early Peoples Understood Time and Space How Early Peoples Established Communities Early European Explorers and First Contact Fur Trade and Cultural Impacts Frontier Military Life on the Northern Great Plains Conflict on the Plains and the Creation of Reservations Railroads Building Towns and Communities World War I: The Great War What is Your Privacy Worth? Growing Up on the Great Plains Dust Bowl and Great Depression World War II