Ahah! So the 1803 is called a sappers machete, or as Calvo puts it, saw machete. Thing brings up machetes, which even into modern times (I will not give examples as that will be 20th century and outside 'scope') which have easily fallen into weapon category. The espada ancha of New Spain frontiers is in many ways related to machetes , and often used as one.
Viva Danny Trejo!
