Sikhism was founded by Guru Nanak, in India, in the fifteenth century. It is a monotheistic religion with a “formless god.” Sikhism teaches a need to meditate on the Divine Name (Wahaguru). The believer should strive for union with the deity through hard work and by sharing what he has with others. Central to the Sikh faith is the concept of service; thus Sikhs are encouraged to overcome selfish desires. After Guru Nanak came nine other gurus, most of them remembered for their writings. The holy book containing the writings of the ten gurus is called the Guru Granth Sahib, and is written in the Punjabi language, in Gurmukhi script.
Nishan Sahib
The emblem on the Nishan Sahib, the Sikh flag, is made up of a double-edged sword, two scimitars, and a quoit, or circular throwing blade.