Guru Nanak (1469-1539)
Guru Nanak was an Indian spiritual leader, poet, and religious reformer. He founded Sikhism in the 15th century and is regarded as the first of the ten Sikh Gurus. Known for his teachings on devotion to one God, equality among all people, compassion, honesty, and selfless service, Guru Nanak laid the spiritual foundation for Sikhism, influencing millions worldwide.
