What was the real name of Swami Vivekananda?

Explanation

Swami Vivekananda was born in Calcutta on January 12, 1863, as Narendranath Datta. He established Ramakrishna Mission and Ramakrishna Math. He was a key figure in the revival of Hinduism in India. He believed that serving humanity is serving God. He also introduced the western nations to the Indian philosophies of Vedanta and Yoga. He reflected on how every man can become great by doing good to others, being patient, and working hard, thus making every nation great.