there was a great (PBS?) special some years ago on a bunch of guys who managed to recreate the trebuchet...fascinating....they built themselves a pretty nice one. awesome weapon.Usually you can thank the French for inventing bizarre things like the trebuchet, bayonet, flintlock, guillotine and the surgical tool invented by Louis XIV personal physician used (still used today) to treat Louie’s anal fistula. But it turns out the trebuchet dates much earlier and first came into use in China in the 4th c bc.