 He filled notebooks with descriptions of Ueshiba's techniques, and these descriptions provide insights into the development of aikido.In 1935, Takeshita gave a demonstration of Ueshiba's art at the first "Nihon Kobudo Shinkokai" (Society for the Promotion of Japanese Classical Martial Arts) demonstration.Later that same year, Takeshita gave public demonstrations of aikido in Seattle, Washington and Washington, D.C; this was the introduction of aikido to the United States.