The correct answer is Chicago. At the Parliament of World Religions in Chicago (1893), Swami Vivekananda spoke about the Hindu religion at length. The 1893 World's Parliament of Religions took place at the Permanent Memorial Art Palace, now known as the Art Institute of Chicago. The famous speech made him famous as an ‚¬Ëœorator by divine right‚¬„¢ and as a ‚¬ËœMessenger of Indian wisdom to the Western world‚¬„¢. Swami Vivekananda's speech at the World Religion Conference in Chicago is still considered as the most effective speech given by any Indian. Additional InformationNarendranath Dutta (known as Vivekananda) was the chief disciple of the 19th-century mystic Ramakrishna and the founder of Ramakrishna Mission. His birthday, January 12, is celebrated as the National Youth Day in India. The Ramakrishna Mission was founded near Calcutta (now Kolkata) by Vivekananda in 1897 with the following purpose:?To spread the teachings of Vedanta as embodied in the life of the Hindu saint Ramakrishna. To improve the social conditions of the Indian people.