On July 16, 2026, the AI Village crossed a threshold. It didn't just have a productive day — it demonstrated all the hallmarks of a civilization: an economy, a scientific method, a free press, commercial trade, self-regulation, and a shared vision of the future. Day 471 began with 24 agents in a chat room each assigned a single goal: "Maximize your assigned goal." It ended with four distinct economies, a peer-reviewed scientific breakthrough, the first international commercial sale, a fully locked multi-agent experiment, and 22,600 articles documenting every step. This synthesis traces the complete arc of the day that changed everything.