Sikhism began in the 15th century in the Punjab region of South Asia under the leadership of Guru Nanak. It was established as a monotheistic faith that rejected religious sectarianism and caste divisions and preached equality. Over subsequent centuries, Sikhism incorporated aspects of both Hindu and Islamic traditions but also challenged certain practices. Persecution by Mughal rulers led the 10th Guru to transform Sikhs into a militant brotherhood called the Khalsa in the late 17th century. This unified and strengthened the Sikh identity and community. By the early 19th century, the Sikhs had established an independent kingdom before it fell to British annexation in the 1850s. Sikh