Who was the founder of Sikhism?
Guru Nanak Dev ji GURU NANAK Baba Nanak Sri Guru Nanak गुरु नानक देव گرونانک Guru Nānak Nanak Dev Baba Guru Nanak Guru Nanak Dev Ji Gurunanak Nānak Nanak the first guru Guru Nanak Sahib Dev, Nanak Guru Sri Guru Nanak Dev Ju Nanak Sri Guru Nanak Dev Gurunank Babur Vani Sri Guru Nanak Dev Ji Guru Nanak Dev Udasis Guru Nanak Baburvani Nanak Dev Ji ਗੁਰੂ ਨਾਨਕ ਦੇਵ