Relief at Medenint Habu (1192-1160 B.C.) depicts the use of a curved sword (scimitar).
Relief at Medenint Habu (1192-1160 B.C.), William J. Hamblin, “Swords in the Book of Mormon,” in Warfare in the Book of Mormon, ed. Stephen D. Ricks and William J. Hamblin (Provo, UT: Foundation for Ancient Research and Mormon Studies; Salt Lake City: Deseret Book, 1990), 336
Figure 2. Ramses III grasping the hair of his enemies as he beheads them, from a relief at Medinet Habu, XXth Dynasty (1192-1163 B.C.). Note that Ramses is here holding a “cimeter,” as discussed in Paul Y. Hoskisson, “Scimitars, Cimeters!” in this volume.