Persian Empires

Explore a Persian Empires timeline covering the Achaemenid, Parthian, and Sasanian dynasties - Cyrus the Great, Darius, Xerxes, the Greco-Persian Wars, and the fall of ancient Persia.

📅 24 events🏛 History550 BC-651Updated Oct 2026
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About this timeline

From Cyrus the Great's founding of the Achaemenid Empire in 550 BC to the fall of the Sasanians in AD 651, Persia produced three of antiquity's greatest empires. This timeline traces their rise, their wars with Greece and Rome, and their lasting legacy.

Every event in this timeline

550 BC

Cyrus the Great founds the Achaemenid Empire

Cyrus the Great overthrows the Median king Astyages around 550 BC, founding the Achaemenid Persian Empire.

546 BC

Conquest of Lydia

Cyrus defeats King Croesus and absorbs the wealthy kingdom of Lydia in western Anatolia, c. 546 BC.

539 BC

Fall of Babylon to Cyrus

Persian forces take Babylon in 539 BC. Cyrus allows exiled peoples, including the Jews, to return home.

530 BC

Death of Cyrus; Cambyses II becomes king

Cyrus dies on campaign in 530 BC and is buried at Pasargadae. His son Cambyses II succeeds him.

525 BC

Cambyses conquers Egypt

Cambyses II defeats Pharaoh Psamtik III at the Battle of Pelusium in 525 BC, adding Egypt to the empire.

522 BC

Darius I takes the throne

After a succession crisis, Darius I seizes power in 522 BC and reorganizes the empire into satrapies with roads, coinage, and tribute.

518 BC

Persepolis founded

Darius I begins construction of the great ceremonial capital of Persepolis around 518 BC.

499 BC

Ionian Revolt

Greek cities of Ionia rebel against Persian rule from 499 to 493 BC, drawing Athens into conflict with Persia.

490 BC

Battle of Marathon

Darius I's expedition against Greece is defeated by the Athenians at Marathon in 490 BC.

480 BC

Xerxes invades Greece: Thermopylae and Salamis

In 480 BC Xerxes I invades Greece, winning at Thermopylae and sacking Athens before the Persian fleet is defeated at Salamis.

479 BC

Battle of Plataea ends the invasion

A Greek coalition defeats the remaining Persian army at Plataea in 479 BC, ending the second Persian invasion of Greece.

465 BC

Assassination of Xerxes I

Xerxes I is assassinated in 465 BC; Artaxerxes I takes the throne as palace intrigue grows.

404 BC

Egypt breaks away from Persia

Egypt wins independence around 404 BC and resists Persian rule for six decades until Artaxerxes III reconquers it c. 343 BC.

334 BC

Alexander invades the Persian Empire

Alexander the Great crosses into Asia in 334 BC and defeats a Persian army at the Granicus River.

331 BC

Battle of Gaugamela

Alexander decisively defeats Darius III at Gaugamela in 331 BC, breaking Achaemenid power.

330 BC

Fall of Persepolis and death of Darius III

Alexander burns Persepolis in 330 BC; Darius III is murdered by his own officers, ending the Achaemenid dynasty.

312 BC

Seleucid rule in Persia

After Alexander's death, his general Seleucus founds a dynasty that rules most of the former Persian lands.

247 BC

Arsaces I founds the Parthian Empire

Around 247 BC Arsaces I establishes the Parthian (Arsacid) dynasty, which gradually wrests Iran from the Seleucids.

53 BC

Battle of Carrhae

Parthian horse archers destroy a Roman army under Crassus at Carrhae in 53 BC, fixing the Euphrates frontier.

Jan 1, 224

Ardashir I founds the Sasanian Empire

Ardashir I defeats the last Parthian king, Artabanus IV, in AD 224 and founds the Sasanian dynasty.

Jan 1, 260

Shapur I captures Emperor Valerian

Sasanian king Shapur I defeats and captures the Roman emperor Valerian at Edessa in AD 260.

Jan 1, 531

Reign of Khosrow I

Khosrow I Anushirvan rules 531-579, a high point of Sasanian administration, culture, and scholarship.

Jan 1, 602

Last great Byzantine-Sasanian war

A ruinous war with Byzantium from 602 to 628 exhausts the Sasanian state shortly before the Arab conquests.

Jan 1, 651

Fall of the Sasanian Empire

The last Sasanian king, Yazdegerd III, is killed in 651 after the Arab victories at al-Qadisiyyah and Nahavand, ending pre-Islamic Persian empire rule.

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