Swami Vivekananda was a Hindu monk born in 1863 in India who played a key role in introducing Indian philosophies of Vedanta and Yoga to the Western world. He founded the Ramakrishna Math and the Ramakrishna Mission. He represented India at the 1893 Parliament of World Religions in Chicago, where his speech earned him a standing ovation. He lectured extensively in the US and UK, establishing the Vedanta Society in New York. On returning to India, he founded the Ramakrishna Mission in 1897 to provide social services. He passed away in 1902 and left a strong legacy of revitalizing Hinduism and Indian nationalism.