Wenger is a company that creates the types of knives that were first used after what period?
Swiss Army knife The Swiss Army knife is a pocketknife or multi-tool manufactured by Victorinox AG (and up to 2005 also by Wenger SA). The term "Swiss Army knife" was coined by American soldiers after World War II due to the difficulty they had in pronouncing "Offiziersmesser", the German name.
Iron Age sword Swords made of iron (as opposed to bronze) appear from the Early Iron Age (c. 12th century BC), but do not become widespread before the 8th century BC.