On September 11, 1893 the now legendary Swami Vivekananda gave his first speech in America that electrified the audience and sent him throughout the United States to explain the teachings of Vedanta. In doing so, he sowed the seed for Vedanta in the West. His talk was on the validity of all religions and themethodical intelligent approach of the practices.
The full booklet of the Chicago Addresses is available to read online. You can of course order it on this page.