Researchers in Guatemala have found evidence of a 1,200-year-old massacre in an ancient city called Cancuén, the capital of one of the richest kingdoms of Maya civilization. The discovery, deep in the jungle of highland Guatemala, provides a snapshot of the Maya civilization as it began to collapse. source
Revolution as a perennial feature of civilization. Remember how old of a problem you're dealing with when you feel baffled by the intensity of crowdthink.