Guru Nanak Dev Ji, the founder of Sikhism, was born in 1469 in Nankana Sahib (now in Pakistan). He laid the foundation of Sikhism and became the first of nine gurus. As Guru Nanak Jayanti or Guru Parab, the birthday of Guru Nanak or Baba Nanak, is fast approaching, the Sikh people are excited to celebrate their most important festival with great enthusiasm. Guru Nanak spread the sacred message of Ik Onkar, which means one god who dwells in all his creations and constitutes the eternal truth. His teachings, rooted in love, equality, service, and devotion to the Divine, have transformed countless lives over centuries. Here in this article, take a look at his life-changing teachings: