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
Nankana Sahib of Pakistan's Evacuee Trust Property Board (ETPB), Gen (R) Zulfikar Ali Khan, said that "The international Guru Nanak University planned at Nankana Sahib would have the best architecture, curricula and research centre on Sikh religion and culture", . And other historical Gurdwaras of Sikhism. There are two Police stations in Nankana Sahib Nankana Sahib Nankana Sahib (Urdu and ) is a city and capital of Nankana Sahib District in the Punjab province of Pakistan. It is named after the first Guru of the Sikhs, Guru Nanak, who was born in the city and first began preaching here. Today it is