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334 BCE333 BCE332 BCE331 BCE330 BCE
Michael CarricoMichael Carrico
Updated:Apr 23, 2026
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Fall of the Achaemenid Empire and Alexander's conquest (334–330 BCE)

Fall of the Achaemenid Empire and Alexander's conquest (334–330 BCE)

  1. Alexander crosses into Asia at the Hellespont

    Labels: Alexander III, Hellespont

  2. Siege of Miletus secures Ionian coastline

    Labels: Miletus, Ionian Coast

  3. Siege of Halicarnassus ends organized resistance in Caria

    Labels: Halicarnassus, Caria

  5. Darius III defeated at the Battle of Issus

    Labels: Darius III, Battle of

  6. Siege of Tyre breaks Persian-aligned Phoenician resistance

    Labels: Tyre, Phoenicia

  7. Siege of Gaza opens the route into Egypt

    Labels: Gaza, Egypt Route

  8. Antipater defeats Spartan revolt near Megalopolis

    Labels: Antipater, Meg alopolis

  9. Alexander founds Alexandria in Egypt

    Labels: Alexandria, Egypt

  10. Battle of Gaugamela decides the empire’s fate

    Labels: Battle of, Darius III

  11. Alexander enters Babylon after Persian defeat

    Labels: Babylon, Alexander III

  12. Battle of the Persian Gate opens route to Persepolis

    Labels: Persian Gate, Persepolis Approach

  13. Alexander enters Persepolis and seizes the royal treasury

    Labels: Persepolis, Royal Treasury

  14. Palace complex at Persepolis is burned

    Labels: Persepolis, Palace Complex

  15. Darius III is deposed and killed during flight east

    Labels: Darius III, Bessus