Shahjahanpur is a municipal board, town and district headquarters of Shahjahanpur District in Uttar Pradesh, India. Shahjahanpur was established by Diler Khan and Bahadur Khan, sons of Dariya Khan who comes from kandahar,Afghanistan, a soldier in the army of Mughal Emperor Jahangir. Both Diler Khan and Bahadur Khan were dignitaries in the regime of Shahjahan. Pleased with the services of Diler Khan, Shahjahan gave him 17 villages with the permission to construct fort in 1647, following the suppression of the rebellious Katheria Rajputs. On 9 August 1925, Chandra Shekhar Azad, Bismil, Ashfaqullah Khan, and Rajendra Lahiri conducted a robbery of government funds near Kakori railway station.