Numbers 22-24 tells the story of the prophet Balaam, son of Beor. The children of Israel had finally entered the Promised Land and were conquering the inhabitants of the land one after another. The Moabites, fearing they would be next, hired Balaam to curse the children of Israel. While he tried his best, God prevented him from doing so. Instead, he blessed them.
There was no extra-biblical record of a prophet by this name, but in 1967 Dutch archaeologists excavating in Deir ‘Alla, Jordan, uncovered one. They found 119 fragments of plaster with ink writing carbon-dated to ~800 BC (the time of Ahab). The language is a mix between Aramaic and Canaanite. The presence of archaic words indicates it is based on an older text.
When put together, the fragments tell the story of a prophet, Balaam son of Beor, had a vision in which the people would be chastised by a fiery judgment: