Swami Vivekananda was an Indian Hindu monk and a key figure in the introduction of Indian philosophy to the Western world. Born on January 12, 1863, in Kolkata, he was a disciple of Ramakrishna Paramahamsa and played a significant role in the revival of Hinduism in the late 19th century. His famous speech at the Parliament of the World's Religions in Chicago in 1893 marked a pivotal moment in promoting interfaith dialogue. Vivekananda emphasized the importance of self-realization and the unity of all religions. He founded the Ramakrishna Mission in 1897, which aimed to serve humanity through education and social work. His teachings continue to inspire millions around the world, advocating for a blend of spirituality and practical action.