What were some inventions from the Hittites?

Answer 1

It is very difficult to ascertain what the Hittites invented and what they merely adopted from others. Like all Late Bronze Age powers, the Hittites used the compound bow and the bow-armed chariot, which was the highest tech weapons system of its day. But it is unclear who first invented these weapons and melded them together into such a formidable force.

It was once believed that the Hittites pioneered the use of iron in its weapons, but that was based upon a single translated tablet from the king of Hatti to Adad-nirari, king of Assyria in which the king of Hatti regrets that he cannot provide the king of Assyria the black iron he requested, because it was not the right time of the year. The overwhelming consensus, now, is that the Hittites did smelt meteoric iron, which was a metal so precious at the time that at least one throne was made from it. It is not believed that the Hittites used iron in their weapons. Iron is a very soft metal and much inferior to bronze unless it is carbonized in a fire and immediately quenched. Even had the Hittites known those techniques (and there is no evidence that they did), they would have had to have known smelting techniques to separate iron (other than metoric iron) from its ore in order to make iron production remotely cost effective.

Perhaps the one thing the Hittites DID invent is the precursor to modern history. Their diplomatic tablets often included long preambles reciting past events, which was new at the time.