Babylon was one of the most influential cities of the ancient world. Located beside the Euphrates River in Mesopotamia, near the modern Iraqi city of Hillah, it became a centre of kingship, religion, scholarship and imperial administration.
The Origins of Babylon
Babylon began as a relatively small settlement. Written references to the city appear during the late third millennium BCE, but it rose to political importance under an Amorite dynasty in the early second millennium BCE.
Its Akkadian name, Bab-ilim, was understood as Gate of the God. The city’s religious and political importance increased as its rulers expanded their authority across southern Mesopotamia.
Hammurabi and the Old Babylonian Empire
Babylon became the capital of a major kingdom during the reign of Hammurabi, who ruled in the eighteenth century BCE. Through warfare and diplomacy, he brought much of Mesopotamia under his control.
Hammurabi is especially known for the collection of legal decisions inscribed on a stone monument commonly called the Code of Hammurabi. The text addressed property, trade, marriage, labour and criminal justice while presenting the king as a divinely appointed protector of order.
Hammurabi’s empire weakened after his death. Babylon remained an important city, although political power passed between different dynasties and regional empires.
The Kassite Period
The Kassites established control over Babylonia during the second millennium BCE and ruled for several centuries. They adopted many Babylonian religious, linguistic and administrative traditions.
Under Kassite rule, Babylon maintained its status as a sacred and cultural centre. The city’s prestige increasingly depended on its connection with Marduk, the principal god of Babylon.
Marduk and the Esagila
Marduk became one of the most important deities in Mesopotamia. His principal temple in Babylon was the Esagila, a large religious complex located near the centre of the city.
Babylonian theology presented Marduk as the king of the gods and the creator of cosmic order. Recognition by Marduk’s priesthood helped legitimise the authority of rulers who claimed the Babylonian throne.
The Akitu Festival
The Akitu festival was one of Babylon’s most important religious celebrations. Held around the beginning of the new year, it included processions, rituals and ceremonies associated with kingship and the renewal of order.
During the festival, the image of Marduk travelled along the Processional Way. The king participated in rituals affirming his dependence on the god and his responsibility to preserve justice and stability.
Babylon and the Assyrian Empire
Babylon experienced a complicated relationship with the Assyrian Empire. Assyrian kings sometimes ruled the city directly, appointed subordinate kings or faced repeated Babylonian revolts.
The Assyrian king Sennacherib destroyed much of Babylon in 689 BCE after suppressing a rebellion. His successor Esarhaddon later rebuilt the city and restored its temples.
The Neo-Babylonian Empire
Babylon regained imperial independence after the decline of Assyria. Nabopolassar established the Neo-Babylonian dynasty in 626 BCE and allied with the Medes in the campaigns that destroyed the Assyrian Empire.
His son Nebuchadnezzar II transformed Babylon into the capital of a powerful empire. His reign, from 605 to 562 BCE, was marked by military expansion and extensive construction.
The Walls of Babylon
Babylon was protected by massive fortifications. Multiple defensive walls, towers, gates and moats surrounded important sections of the city.
Ancient Greek writers described the walls in exaggerated terms, but archaeology confirms that Babylon possessed an imposing defensive system designed to protect the capital and control access to it.
The Ishtar Gate
The Ishtar Gate was one of the principal entrances to Babylon. Constructed under Nebuchadnezzar II, it was decorated with glazed blue bricks and images of lions, bulls and dragon-like creatures.
The animals were associated with powerful deities, including Ishtar, Adad and Marduk. Their repeated forms transformed the gateway into a display of divine protection and royal authority.
The Processional Way
The Processional Way passed through the Ishtar Gate and continued toward the city’s religious centre. Its walls were decorated with glazed-brick lions associated with the goddess Ishtar.
The route played an important role during public ceremonies. It connected monumental architecture with the ritual movement of divine images, priests, officials and the king.
Etemenanki
Etemenanki was a great stepped temple tower dedicated to Marduk. Its name meant House of the Foundation of Heaven and Earth.
The structure probably contributed to later traditions concerning the Tower of Babel. Although its precise appearance remains debated, archaeological and written evidence indicates that it dominated Babylon’s sacred landscape.
The Hanging Gardens
The Hanging Gardens of Babylon were celebrated by later Greek and Roman writers as one of the wonders of the ancient world. They described elevated terraces planted with trees and supplied by an elaborate irrigation system.
No conclusive archaeological evidence has identified the gardens at Babylon. Some scholars argue that the tradition may have originated from an Assyrian garden at Nineveh, while others continue to consider a Babylonian location possible.
Babylonian Scholarship
Babylon was a major centre of writing and education. Scribes copied religious texts, legal records, literature, astronomical observations and mathematical tables onto clay tablets.
Babylonian scholars developed sophisticated methods for predicting celestial events. Their long records of planetary and lunar movements later influenced Greek, Hellenistic and Islamic astronomy.
The Judean Exile
Nebuchadnezzar II captured Jerusalem in 597 BCE and again in 587 or 586 BCE. The campaigns destroyed the First Temple and displaced part of the population of Judah to Babylonia.
The Babylonian exile became a defining event in Jewish history and religious tradition. Some displaced communities remained in Mesopotamia even after Persian policy allowed exiles to return.
The Reign of Nabonidus
Nabonidus became the final king of the Neo-Babylonian Empire in 556 BCE. He promoted the moon god Sin and spent several years at the Arabian oasis of Tayma, leaving his son Belshazzar with important responsibilities in Babylon.
His religious policies and long absence may have created tensions with sections of Babylon’s priesthood. These disputes later helped Persian accounts present Cyrus as a restorer of traditional order.
Cyrus Conquers Babylon
Cyrus the Great invaded the Neo-Babylonian Empire in 539 BCE. Persian forces defeated the Babylonian army near Opis, and the city of Sippar surrendered soon afterward.
Babylon was then occupied without a prolonged siege or extensive destruction. Cyrus entered the city and adopted traditional titles, presenting himself as a legitimate Babylonian king rather than a foreign destroyer.
The Cyrus Cylinder
The Cyrus Cylinder records a Babylonian account of the Persian conquest. It claims that Marduk rejected Nabonidus and selected Cyrus to restore proper worship and political order.
The text states that Cyrus returned divine images and displaced communities to their homes. Although sometimes described as an early declaration of human rights, it more closely followed established Mesopotamian traditions of royal legitimacy and restoration.
Babylon Under Persian Rule
Babylon became one of the most important cities of the Achaemenid Empire. Its administrative experience, economic resources and strategic location made it valuable to Persian government.
The Achaemenid kings used Babylon as a royal residence and adopted the title King of Babylon. Local temples and officials continued to perform important religious and administrative functions.
Revolts Against Darius I
Babylon rebelled during the political crisis surrounding the accession of Darius I in 522 BCE. Two leaders claimed the royal name Nebuchadnezzar and attempted to restore independent Babylonian kingship.
Darius defeated both rebellions and re-established Persian authority. His Behistun inscription records these victories as part of a wider campaign to secure the empire.
Xerxes and Babylon
Additional unrest occurred during the reign of Xerxes I. The exact events and their consequences remain debated because the surviving evidence is incomplete.
Older accounts claimed that Xerxes destroyed Babylon’s temples and removed the statue of Marduk. Modern scholarship treats these claims cautiously, and the city clearly continued to function under Achaemenid rule.
Alexander Enters Babylon
Alexander of Macedon entered Babylon in 331 BCE after defeating Darius III at Gaugamela. The city surrendered, and Alexander presented himself through ceremonies associated with legitimate Mesopotamian kingship.
He retained local administrators and ordered restoration work on important temples. Babylon’s wealth and location made it a central base for his campaigns and imperial plans.
The Death of Alexander
Alexander returned to Babylon in 323 BCE while preparing new military expeditions. He became ill and died in the palace of Nebuchadnezzar II at the age of thirty-two.
His death caused a struggle among his commanders and transformed Babylon into a focal point of the conflicts that divided his empire.
Decline and Continued Occupation
Babylon remained inhabited under the Seleucid and Parthian empires, but its political importance gradually declined. The establishment of new regional capitals drew institutions and population away from the ancient city.
The site was not suddenly abandoned. Communities continued living in parts of Babylon for centuries as its monumental buildings slowly deteriorated.
The Rediscovery of Babylon
Systematic excavations began around the start of the twentieth century. Archaeologists uncovered sections of the Ishtar Gate, the Processional Way, palaces, temples and residential districts.
Many glazed-brick fragments were transported to Berlin, where reconstructed sections of the Ishtar Gate are displayed. Excavation and reconstruction have continued to shape modern understanding of the ancient city.
The Legacy of Babylon
Babylon became a lasting symbol of wealth, power and urban civilisation. Religious traditions and later literature also used its name as an image of pride, conquest, exile or corruption.
Beyond these symbolic portrayals, Babylon was a real and complex city whose scholars, builders and administrators influenced the ancient world. Its history connects the Babylonian, Assyrian, Persian and Macedonian empires across more than a thousand years.