Kanpur is popular city in Uttar Pradesh.The written history of Kanpur city is available from the 13Th century, though before that its surrounding areas find their mention in  many records. Like Bhitoor which lies 8 Kms from IIT Kanpur finds its reference in vedic scriptures. It is said that after creating the universe Lord Bramha  established a Lingam there and performed Ashvamedha Yagna. Ramayan was written by Sage Valmiki at the Valmiki ashram in Bithoor. On exile Sita devi stayed and was bringing up her sons Luv and Kush here in Valmiki Ashram. Another place Jajmua is 10 Kms east of the city of Kanpur, remains of an ancient fort of vedic times has been unearthed here. An ancient temple famous for its architecture and wood work, is located 20 Kms from Kanpur Central Railway Station in Shivpuri town. In 1765 Shuja-ud-daula (Nawab of Awadh) lost to British forces in Jajmua. Britishers had slowly started establishing in Kanpur and slowly moved their forces in to protect their properties. In 1801 Kanpur was handed over to British by a treaty with Nawab Saadat Ali Khan of Awadh. Slowly Kanpur was developed as an important military station of Britishers. An incident at the start of Indian Independence movement happened here in 1857 when 900 British were kept as prisoners for 22 days at the Satti Chaura Ghat  and later when they were released for going to Allahabad a massacre took place in which many English men were killed and about 200 women and children were captured in a ladies home and  killed later. A British general Neil Retook committed series of retaliations against Indian sepoyes and grneral public who were caught for the act. After 1857 Kanpur started becoming an important center for leather products and textiles. Slowly Kanpur became an Industrial city. There are many Defence Ordinance factories in Kanpur. It is the only industrial city in the state of Uttar Pradesh.