Salimgarh Fort (،literally 'Salim’s Fort') was built in 1546 AD, in Delhi, in a former island of the Yamuna River, by Salim Shah Suri, son of Sher Shah Suri. There was a pause in Mughal rule when in 1540 AD Sher Shah Suri defeated the Mughal Emperor Humayun (and ousted him from Delhi) and (...) (from Wikipedia)