

More significant than his conquests, though, were the measures he took to consolidate his vast dominion.

He advanced its eastern frontier to the Indus River and its western boundary beyond the Bosporus, the strait separating Asia from Europe. With his elite imperial guard, known as the Ten Thousand Immortals, he commandingly restored order to the realm and expanded its scope. Some Persians viewed Darius as a usurper, and many subjects in distant lands saw the succession crisis as an opportunity to rebel.Īs a result, Darius spent his first three years quelling uprisings. It’s thought he may have staged a coup to claim the throne. His ascension to king of the Persian Empire was cloaked in intrigue. The pivotal Persian ruler Darius I (550–486 B.C.) came to power at age 28 and quickly proved himself a great military leader and an even greater administrator.
