They didn't. It's still going on
It can honestly be any disaster because, for example a fire. everything will burn down due to the heat ''melting' most of your thing. a flood will make your house flood making everything wet. etc.
The Festival included a ritual procession of the Barque of the cult statue of Amun-Re, supreme god, his wife, Mut, and his son, Khons
It helped Carnegie produce stronger steel faster, and at a lesser cost, which in turn allowed it to be bought and sold at an exponential rate
