page_title: List of ancient great powers
section_title: Achaemenid Empire
hierarchical_section_title: List of ancient great powers / Ancient Western Asia / Ancient Iran / Achaemenid Empire
caption_attribution_description: &#160;Iran, Stairway to the Apadana
context_page_description: Recognized great powers came about first in Europe during the post-Napoleonic era. The formalization of the division between small powers and great powers came about with the signing of the Treaty of Chaumont in 1814. A great power is a nation or state that, through its great economic, political and military strength, is able to exert power and influence over not only its own region of the world, but beyond to others.
  The historical terms "Great Nation", a distinguished aggregate of people inhabiting a particular country or territory, and "Great Empire", a considerable group of states or countries under a single supreme authority, are colloquial conversations.
  3000 BC – 476 AD
context_section_description: 550 BC–330 BC
  The Achaemenid Empire was the first of the Persian Empires to become a world empire. At the height of its power, the Empire spanned over three continents, namely Europe, Asia, and Africa, and was the most powerful empire of its time. It also eventually, either quickly in its earliest days or steadily over time, incorporated the following territories: in the north and west all of Asia Minor (modern Turkey), parts of the Balkan peninsula - Thrace, Macedon and Paeonia, and most of the Black Sea coastal regions or present day southern and eastern Bulgaria, northern Greece, and Macedonia; in the west and southwest the territories of modern Iraq, northern Saudi Arabia, Jordan, Palestine, Lebanon, Syria, all significant population centers of ancient Egypt and as far west as portions of Libya; in the east modern Afghanistan and beyond into central Asia, and parts of Pakistan.
  Encompassing approximately 5.5 million square kilometers at its height in 500 BC, the Achaemenid Empire was territorially the largest empire of antiquity. In its time it had political power over neighboring countries, and had high cultural and economic achievements during its lengthy rule over a vast region from its picturesque capital at Persepolis.
  Alexander the Great (Alexander III of Macedon) defeated the Persian armies at Granicus (334 BC), followed by Issus (333 BC), and lastly at Gaugamela (331 BC). Afterwards, he marched on Susa and Persepolis which surrendered in early 330 BC. From Persepolis, Alexander headed north to Pasargadae where he visited the tomb of Cyrus the Great.
caption: Achaemenids warriors
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