Guru Nanak was the founder of Sikhism and was the first Guru among the ten Sikh Gurus. Sikhs worldwide joyfully mark Guru Nanak's Birthday, also known as Pawan Prakash Utsav and celebrate it with deep devotion and festive activities.
On June 5th, 2011, Sikhs honored the martyrdom day of Guru Arjun Dev Ji, the fifth Guru of the Sikhs who spread Divine Understanding and cared for everyone.
Many people link Sikhs mainly with Punjab, but there's a lesser-known history of Sikhs settling in Karnataka, Andhra Pradesh, and Maharashtra many years ago.
Dr Devinder Pal Singh, Center for Understanding Sikhism, Mississauga, Ontario, Canada, has published about 100 articles on various aspects of Sikhism in several newspapers and magazines of English, Punjabi and Hindi.