Guru Nanak, the visionary behind Sikhism, was born on the full moon day of the Kartik month in the year 1469, as per the Vikram Samvat calendar. His birthplace was Rai-Bhoi-di Talwandi, situated in the current Shekhupura District of Pakistan, now known as Nankana Sahib. Guru Nanak Dev advocated the idea that individuals could establish a connection with God through worship with a pure conscience. His profound teachings are enshrined in the Guru Granth Sahib.