<human>:  When did the Jazz age start and end?
<bot>: The Jazz Age started in the 1920s and lasted until the end of the 1930s. It was a time of great economic prosperity and cultural change in the United States. It was a time of great technological innovation, including the development of the automobile, the radio, and the airplane. It was a time of great social change, including the rise of the middle class, the end of the Great Depression, and the beginning of the Civil Rights Movement.