
King of Kings, Ruler of Persia
"I will march against Athens with my army and punish them for the wrong they have done to me and to my father."
Xerxes I inherited from his father Darius I an empire stretching from the Aegean to the Indus, along with an unfinished vendetta against Athens. For four years he prepared the most ambitious military expedition the ancient world had ever seen — bridging the Hellespont with a pontoon of boats, digging a canal through the Athos peninsula to spare his fleet the dangerous cape, and assembling an army ancient sources described in millions (modern scholars estimate 100,000–300,000). His campaign began brilliantly. Thermopylae fell, Athens was burned, and for weeks Xerxes sat on his golden throne watching what seemed like inevitable triumph. Then Salamis shattered his fleet in a single afternoon. He watched the battle from his throne on the shore, reportedly ordering court officials strangled every time a Greek ship appeared to be winning. After the disaster he returned to Asia, leaving Mardonius to finish the conquest — who also failed, dying at Plataea. Xerxes never returned to Greece. His later years were consumed by harem intrigues, construction projects at Persepolis, and the endless administration of empire. He was assassinated in 465 BC by the commander of his palace guard. His ambition had been vast; his legacy was the proof that even the greatest empire in the world could be stopped by determined freemen fighting for their homes.
Did you know?
Xerxes' monumental palace at Persepolis, whose ruins survive in Iran, bore trilingual inscriptions in Old Persian, Elamite, and Akkadian proclaiming his universal kingship.
August 480 BC · 22,000 total casualties
Thermopylae became the most celebrated military last stand in Western history. Though a tactical defeat, it bought time for the Greek fleet at Artemisium and for Athens to evacuate its citizens. The sacrifice of Leonidas and the 300 became an enduring symbol of courage against overwhelming odds, inspiring countless armies, writers, and filmmakers across twenty-five centuries.
August 480 BC · 9,000 total casualties
Artemisium demonstrated that Greek triremes could fight the Persian navy on roughly even terms in confined waters where numbers mattered less. It was an invaluable rehearsal for Salamis, familiarising Greek sailors with Persian tactics and building their confidence for the decisive battle to come.
September 480 BC · 40,000 total casualties
Salamis was the decisive turning point of the Persian Wars. Xerxes withdrew to Asia with most of his army; without naval support, the remaining Persian land force under Mardonius was stranded in Greece. The battle saved Greek civilization and is considered by many historians one of the most consequential naval engagements in world history.
c. 519 BC
🌅 Birth
Born, likely at Persepolis or Susa, Persia
484 BC
⚔️ Battle
Suppresses Babylonian revolt; destroys the temple of Marduk
480 BC
📍 Posting
Crosses the Hellespont into Europe with his great army
480 BC
⚔️ Battle
Watches Thermopylae fall from a golden throne
480 BC
⚔️ Battle
Watches his fleet destroyed at Salamis
465 BC
✝️ Death
Assassinated at Persepolis by palace guard commander