Guru Nanak

Died 1539

Guru Nanak begins teaching in the Punjab, emphasizing devotion to one God, equality of all people, and service to others—directly challenging both Hindu cast…

• 1499 CE

  Sikhism founded by Guru Nanak

  Guru Nanak begins teaching in the Punjab, emphasizing devotion to one God, equality of all people, and service to others—directly challenging both Hindu caste hierarchy and Muslim religious authority. Sikhism becomes one of the world's largest religions, with 25 million adherents today.