Guru Nanak Sahib (the First Nanak, the founder of Sikhism) was born on 20th October, 1469 at Rai-Bhoi-di Talwandi in the present distrect of Shekhupura (Pakistan), now Nanakana Sahib. The Birthday of Guru Nanak Sahib falls on Kartik Puranmashi i.e. full moon day of the month Kartik. On this day the Birthday is celebrated every year. The Shrine (Gurdwara) repsesenting the home of Baba Kalu (Father) and Mata Tripta (Mother) is called Gurdwara Janam Asthan, situated at Rai-Bhoi-di-Talwandi in the present district of Shekhupura (now Nanakana Sahib in Pakistan). The Sikhs from all over the world gather here and celebrate the Gurupurab every year with great devotion and enthusiasm.