Year 2019 will mark the 550th birth anniversary of the first guru of Sikhs Sri Guru Nanak Dev. Guru Nanak's Prakash Utsav will be celebrated on November 12 this year. He was the first Gurus of ten Sikh Gurus. Gurpurab is derived from two words “Gur” meaning Guru or the master and “Purab” meaning day.