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  1. Vivekananda was born in 1863 in Kolkata.
  2. He was born as Narendra Datta. He was Hindu monk and chief disciple of Ramakrishna Paramhansa. 
  3. His birthday is celebrated as a world youth day.
  4. He attended the parliament of world religion in Chicago.
  5. He founded Ramakrishna Mission in 1897 in Kolkata.