What Ancient Romans Knew About Empire Building That You Don't The mighty Western Roman Empire, once the greatest power in the world, collapsed in 476 AD. But what caused its downfall? From barbarian invasions to economic turmoil, weak leadership, and an overstretched military, Rome’s fall was inevitable. Watch this short breakdown of how one of history’s greatest empires crumbled! What do you think was Rome’s biggest mistake? Let me know in the comments! 📌 Subscribe for more history shorts! 🔔 #History #Rome #Shorts