Punjabis, who are of various religious backgrounds, such as Judiasm, Buddhism, and Christianity, are in majority either Sikh, Hindu or Muslim. The Punjab is a cradle of great philosophical and spiritual aspirations. Major scriptures of Hinduism, such as the Rig Veda, Ramayana, and Bhagavad Gita were conceived in this land. In addition, in the 15th century Guru Nanak founded Sikhism. About 200 years later, the Sikhs were communialized through a movement called the Khalsa.