If you wanted to look from historical aspect; I'm an archaeologist, what we've seen from cylinder seals, steles and cuneiform tablets of Sumerians, Akkads(essipacially Akkad Military Campaing Scenes), Assriyans ,Hittites... , dual wielding's as old as their periods( Mostly small axes, short swords,daggers and curved blades all made of bronze) so looks like it was ok back then smile if you hear any news please tell us from this page, thank you.