Kukri is a national form of a knife used by the Nepalese Gorkha. Kukri blade has a distinctive wing profile Falcon with the sharpening on the concave faces (that is, it is a knife with a so-called "reverse curve"). It is considered that the Kukri is derived from the Greek kopisa, which has similar bending, and got in Nepal with the army of Alexander the great in the 4th century BC, regardless of the source of origin of Kukri is one of the most ancient types of edged weapons, reached our days without major changes.