Sikhism achieved a series of military victories and created a Sikh Empire in 1799. The Sikh empire had its capital in Lahore, spread over almost comprising what is now northwestern Indian subcontinent. The Sikh Empire entered into a treaty with the colonial British powers, with each side recognizing Sutlej River as the line of control and agreeing not to invade the other side. Ranjit Singh's most lasting legacy was the restoration and expansion of the Harmandir Sahib, most revered Gurudwara of the Sikhs, with marble and gold, from which the popular name of the "Golden Temple" is derived. After the death
Sikh gurus Sikh gurus The Sikh gurus established Sikhism over the centuries, beginning in the year 1469. Guru Nanak was the first Guru, and subsequently, each Guru, in succession, was referred to as "Nanak", and as "Light". All the Gurus themselves also used the name "Nanak" while penning down their spiritual verses. There are a total of eleven Gurus: Ten human-form gurus and the eleventh, or current and everlasting Sikh Guru, is the integrated Sikh scripture known as the Guru Granth Sahib. The Tenth Nanak, Guru Gobind Singh, had bestowed the Guruship forevermore to the Guru Granth Sahib. Guru Gobind Singh Ji