Swami Vivekananda was born in 12 Jan 1863 in Kolkata . He took birth in the house of Dat family . The mother of Swami Vivekananda was Shri Bhuvnashavri Devi. Swami Vivekananda was born at 6:49 A.M. before rising of Sun. Dat family was filled with happiness. Everywhere were happiness on the birth of Swami Vivekananda .Because today was the birthday of great monk of India. He will do all welfare work for humanity of world . The name of Swami Vivekananda's father was Shri Vishavnath Dat . He was very progressive type person .Swami Vivekananda's grandfather had become monk and left house when his father was only 25 years old.
His dear mother thought that he got his child from lord Mahadeva so she gave him first name Vireshver . But father speaks him with Narendernath. But in family all people says Swami Vivekananda as Bile . So this name become his loving name in society and in family . His father was an Advocate but he was also lover of poems . He also see Muslim religion with the eye of respect . His mother is devotee and she read Ramayana and Mahabharata daily in her house . So she gave good moral Values to Swami Vivekananda in the beginning of Life .