Sikhism originated at the end of the 15th century.
 The major historic sects of Sikhism have included Udasi, Nirmala, Nanakpanthi, Khalsa, Sahajdhari, Namdhari Kuka, Nirankari, and Sarvaria
The Sikh empire, with its capital in Lahore, spread over almost 200,000 square miles (520,000 square kilometres) comprising what is now northwestern Indian subcontinent

