In 1890, the U.S. Census Bureau declared that the frontier is settled and officially closed. The era of frontier America, which first began with the settlement at Jamestown, Virginia, and then spread westward for nearly 300 years, was over. Frederick Jackson Turner wrote in 1893 that frontier experience had promoted individualism and democracy. | In 1890, the U.S. Census Bureau declared that the frontier is settled and officially closed. The era of frontier America, which first began with the settlement at Jamestown, Virginia, and then spread westward for nearly 300 years, was over. Frederick Jackson Turner wrote in 1893 that frontier experience had promoted individualism and democracy. |