 Its success was considerably aided by Lindbergh's three-month, tour of the United States in the "Spirit" on behalf of the [[Daniel Guggenheim Fund for the Promotion of Aeronautics]].Between and , 1927 Lindbergh visited 82 cities in all 48 states, delivered 147 speeches, rode in parades, and was seen by more than 30 million Americans, one quarter of the nation's population.Lindbergh then toured 16 Latin America countries between , 1927 and , 1928.