After Nanakana Sahib {now in Pakistan}, Sultanpur Lodhi is perhaps the most related to life of the first Sikh Guru. In 1475 AD elder sister of Guru Ji, Bibi Nanki Ji was married to Shri Jai Ram of Sultanpur Lodhi. In 1483 Guru Ji's father sent Guru Ji to the custody of Shri Jai Ram. Guru Ji was employed as the Modi {Person In-charge} of the Modi Khana {Civil supplies store}. In June 1488, Guru Nanak Dev Ji was married to Bibi Sulkhani ji in Sultanpur Lodhi. And here, in this city Guru Ji begot two sons, in July 1494 Shri Chand Ji and in Feb 1497 Lakmi Chand Ji. In this very city Guru Ji spent more than 14 years and in 1497 Guru Ji disappeared in holy Rivulet (Kali Bein) flowing along the North end of the city and then Re-Appeared after three days with the teaching of ""na koi hindu, na koi muslman"" {no one is Hindu, no one is Muslim}. This led to the birth of a new religion, Sikhism. Thereafter Guru Ji left his job and the City to start with the First Udasi {Sacramental Journey}.