He wasn’t born great — he earned it. At just 20 years old, Alexander took the throne… and by 32, he ruled the largest empire the ancient world had ever seen. From impossible battles against Persia to leading his army from the front lines, this is how one man changed history forever — and why the world still remembers his name. alexander the great ancient history history shorts ancient greece greatest warriors military genius historical facts ancient civilizations world conquerors history explained