Guru Nanak Dev Ji, the founder of Sikhism, was born in 1469 in Nankana Sahib, present-day Pakistan. He is revered for his teachings on equality, love, and devotion to one God, which laid the foundation for the Sikh faith. Throughout his life, Guru Nanak traveled extensively, spreading his message of peace and unity among different communities. His teachings emphasized the importance of selfless service, community welfare, and the rejection of caste discrimination, making him a pivotal figure in promoting social justice and spiritual enlightenment.