The birth of Guru Nanak Dev Ji is celebrated as Gurupurab. Guru Nanak Dev Ji was the first Guru of the Sikh community. The Sikh community celebrates the birth day of Guru Nanak Dev Ji as a festival and is one of the most sacred festivals for Sikhs. This festival is celebrated not only in India but all over the world, where people of Sikh communities live. This festival is also known as Prakash Utsav of Guru Nanak and Guru Nanak Dev Ji Jayanti.
Guru Nanak Dev Ji is the founder of Sikhism. He was born in a village called Talwandi situated on the banks of river Ravi. The name of Talwandi place later became 'Nankana' after Nanak. Presently this village now comes in Punjab province of Pakistan. Guru Nanak Dev was born on the day of Kartik Purnima, which comes 15 days after Diwali.
Guru Nanak Dev's father's name was Mehta Kalu (Lala Kalyan Rai) and mother's name was Trupta Devi. His sister's name was Nanaki. Nanak Dev Ji was married to Bibi Sulkhani. They had two sons, named Srichand and Lakhmidas.
Guru Nanak Dev ji died on 22 September 1539 in the city of Qatar Pur. Guru Nanak Dev ji established Sikhism, at the time of death Nanak Dev ji had many followers. Before his death, he declared his disciple brother Lahna as his successor. Who later became known as Guru Angad Dev.