The town was named after
Rajput king Raja Kanva of Harchand Rajput Dynasty who came to this region to defeat Pathans. In recent history Kahnuwan village have also Sikhs history known as kahnuwan shamb. On 10 March 1746, a large number of Sikhs were massacred by Mughals and their allies when the Sikhs were encamped in the jungle-swamps of Kahnuwan. This event is known as the
Chhota Ghalughara. == Demographics ==