Rhye's and Fall of Civilization (RFC) is a mod designed to simulate the history of the Earth. It was created by Gabriele Trovato, known as "Rhye" on various forums. A version of the scenario was included in Civilization IV: Beyond the Sword. It is the second most popular Civilization IV mod by number of downloads on CivFanatics. The mod's popularity has spawned many mods of it, including Dawn of Civilization, The Greek World, The Sword of Islam, and Europe.