O yes they can have history! Battle or sacrifice! {Some wall hangers too out there. & modern pieces to.}
This link. Shows a few of mine & explains a little about them.
Spiral
linky.
Also a thread on this forum including links to various other kukri slaughter pics. {Caution advised for link for Vegitareans or upset by animal slaughter.}
http://www.vikingsword.com/vb/showthread.php?t=10292