how much did alexander the great conquer
Best Answer: Alexander the Great, one of historyâs most luminous and influential leaders conquered 90% of the known world by the age of 25. Alexander led his virtually invincible Greek and Macedonian armies through 22,000 miles of sieges and conquests in just eight years, and by the time of his death at the age of 32 had forged an empire unlike any the world had ever seen.