The Gurdwara at Patna Sahib was in remembrance of the birth place of Guru Gobind Singh, the tenth Guru of the Sikhs on 22 December 1666, and like many historical Gurdwara's in India and Pakistan, this Gurdwara too, was built by Maharaja Ranjit Singh (1780-1839), the first Maharaja of the Sikh (...) (from Wikipedia)