Swami Vivekananda was one of India’s greatest spiritual leaders and thinkers. He was born on 12 January 1863 in Kolkata. His real name was Narendranath Datta. From a young age, he was curious about religion and the meaning of life. He became a disciple of Sri Ramakrishna Paramhansa, who taught him that all religions lead to the same truth.

Swami Vivekananda is most famous for his speech at the World Parliament of Religions in Chicago in 1893. He began his speech with the words “Sisters and Brothers of America,” which touched everyone and earned him great respect. He spoke about Indian culture, spiritual values, and the importance of tolerance and peace.

He believed in youth power and always motivated young people to work hard, be fearless, and serve the country. He started the Ramakrishna Mission to help the poor, spread education, and promote spiritual knowledge.

Swami Vivekananda's teachings continue to inspire people across the world. He showed that religion is not just about rituals but about serving humanity. His birthday, 12 January, is celebrated as National Youth Day in India to honor his ideas and values. He passed away in 1902, but his message lives on forever.