This episode of the Sikh History podcasts, concentrates on the life and times of Guru Nanak from 1469 to 1539. To understand the birth of the Sikh religion and philosophy, it is very important to first understand the social, cultural and political environment of 15th century in Northern India – and particularly in the Punjab and Delhi. In 1451, before the birth of Nanak, Bahlol Lodi occupied Delhi and founded the Lodi dynasty - Guru Nanak was a first hand witness to the rise and establishment of the Lodi dynasty and then the defeat of the Lodis at the hands of Ba