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The reign of Nabonidus (circa 556-539 B.C.E.) stands as a significant yet controversial period in the history of the Neo-Babylonian Empire. Nabonidus is best known as the last king of this once-powerful empire, and his actions, religious policies, and eventual defeat by Cyrus the Great marked the end of Babylon’s independence. His story intertwines with biblical history, particularly the fall of Babylon as described in the Book of Daniel, and offers a striking example of how divine prophecy intersects with human history. Nabonidus’ reign and his impact on Babylon’s downfall, his religious fervor for the moon-god Sin, and his relationship with his son, Belshazzar, provide us with a deeper understanding of this historical figure and his influence on biblical events.

Nabonidus as depicted in a stele from Harran

Nabonidus: A King Defined by Religious Zeal and Controversial Policies

Nabonidus, whose name means “Nebo is Exalted,” took the throne after the assassination of Labashi-Marduk, the last of a short line of kings following Nebuchadnezzar II. Although his reign lasted seventeen years (556-539 B.C.E.), Nabonidus was not a typical Babylonian king. He showed a marked preference for the worship of the moon-god Sin, particularly in the cities of Haran and Ur, both key centers of this particular cult. Cuneiform inscriptions, such as those from Haran, reveal that Nabonidus’ mother or grandmother was likely a priestess of Sin, which may explain his religious devotion to this deity.

The Harran Stela, depicting Nabonidus as praying to the moon (i.e., Sîn), the sun, and Venus

This preference for Sin over Marduk, the chief god of Babylon, alienated the city’s priesthood and many of its citizens. Nabonidus’ actions caused a rift between the king and the religious establishment of Babylon, a factor that likely contributed to the instability of his reign. Instead of honoring Marduk during the important New Year festival, Nabonidus neglected Babylon’s chief deity in favor of Sin. This deviation from religious norms did not sit well with the Babylonians and perhaps weakened the internal unity of the empire at a critical time.

Nabonidus’ Time in Tema and the Rise of Belshazzar

A particularly unusual aspect of Nabonidus’ reign was his long absence from Babylon. In his third year as king, Nabonidus undertook a military campaign that resulted in his capture of Tema, an important oasis city in northern Arabia. Rather than returning to Babylon, Nabonidus made Tema (also known as Tayma) his royal residence for roughly ten years, entrusting the administration of Babylon to his firstborn son, Belshazzar. This extended absence created significant tensions within the empire. According to the Nabonidus Chronicle, during Nabonidus’ seventh, ninth, tenth, and eleventh years, he did not return to Babylon for the celebration of the New Year festival, an essential religious and political event that reinforced the king’s role as Marduk’s representative on earth. The neglect of this festival further distanced Nabonidus from the Babylonian religious elites and populace.

Ancient ruins at Tayma (also known as Tema)

Belshazzar, the son of Nabonidus, functioned as a co-regent during his father’s prolonged stay in Tema. This co-regency is indirectly mentioned in Daniel 5:7, 16, and 29, where Belshazzar offers to make Daniel the third ruler in the kingdom, implying that Nabonidus held the position of first ruler, with Belshazzar as second. However, Belshazzar’s reign was ineffective, and his involvement in Babylon’s governance did little to stabilize the empire. His rule culminated in the dramatic fall of Babylon to the Persian forces led by Cyrus the Great in 539 B.C.E.

The Fall of Babylon: Nabonidus’ Flight and the Capture of the City

The Medo-Persian forces, under the leadership of Cyrus the Great, posed a significant threat to the Babylonian Empire. According to the Nabonidus Chronicle and other ancient sources, such as the writings of the third-century B.C.E. Babylonian priest Berossus, Nabonidus made efforts to defend his kingdom by entering into alliances with the Lydians and Egyptians. However, these efforts were in vain. In the seventeenth year of his reign (539 B.C.E.), the Persian army decisively defeated the Babylonian forces at the Battle of Opis, a critical engagement fought near the Tigris River.

The Verse Account of Nabonidus, a biased document written about Nabonidus’s reign, probably in the reign of Cyrus the Great

Following the defeat at Opis, the Persian army captured the city of Sippar, located approximately 60 kilometers north of Babylon. Nabonidus fled, leaving the city of Babylon vulnerable. Shortly after, the Persian general Gobryas entered Babylon without a battle, a detail that aligns with the prophecy found in Jeremiah 51:30: “The warriors of Babylon have ceased fighting; they remain in their strongholds; their strength has failed.”

The account in Daniel chapter 5 details the events leading up to the capture of the city, including the famous incident of the “writing on the wall” that occurred during a feast hosted by Belshazzar. The inscription prophesied the fall of Babylon, and that very night, Belshazzar was killed, marking the end of the Neo-Babylonian Empire. Daniel 5:30-31 records: “That very night Belshazzar the Chaldean king was killed. And Darius the Mede received the kingdom, being about sixty-two years old.” The biblical account, therefore, confirms the swift and relatively peaceful transition of power from Babylon to the Medo-Persian Empire under Cyrus, as no large-scale battle took place in Babylon itself.

This clay cylinder records the restoration of Sin’s ziggurat at Ur by Nabonidus, and also asks him to protect Nabonidus and his son, Belshazzar. From Ur, Iraq

Nabonidus, after his flight from Babylon, attempted to regroup but was ultimately captured by the Persian forces. Berossus notes that after a failed attempt to engage Cyrus’ forces, Nabonidus surrendered and was exiled to Carmania, a region in southern Persia.

The Nabonidus Chronicle and Its Historical Significance

The Nabonidus Chronicle remains one of the most valuable sources of information concerning the last days of the Babylonian Empire. Sometimes referred to as the Cyrus-Nabonidus Chronicle or The Annalistic Tablet of Cyrus, this clay tablet, now housed in the British Museum, provides a brief but detailed account of Nabonidus’ reign, including the fall of Babylon. Despite being written in the Seleucid period (312-65 B.C.E.), two centuries after the events it describes, scholars generally accept the historical reliability of its contents.

The Nabonidus Chronicle. Written under the later period of Persian rule, this tablet derided Nabonidus and his reign, recording his long absence from Babylon and criticising his religious policies.

The Chronicle paints a disparaging picture of Nabonidus, likely because it was composed under Persian influence. Nonetheless, it corroborates many aspects of the biblical narrative, particularly regarding the capture of Babylon. For instance, it confirms that the Persian forces entered Babylon without a significant battle, a fact that corresponds with the prophecy in Isaiah 47:11-15 and Jeremiah 50:38-40, where Babylon’s fall is foretold as inevitable due to its moral and spiritual corruption. Additionally, the Nabonidus Chronicle supports the biblical portrayal of Belshazzar as a coregent, even though it does not mention his name directly. This omission is likely due to the brevity of the document, which does not focus on individual rulers in detail but rather on the overarching events of Nabonidus’ reign.

This administrative document is dated to the “24th day of Kislimu in the 11th year of Nabonidus, king of Babylon”. It mentions a slave of Bel-sharra-usur (Belshazzar), son of the king. Although Belshazzar is acting as a regent, the formal date shows that Nabonidus is still the reigning king. From Borsippa, Iraq

Nabonidus and Biblical Prophecy: A Fulfillment of Divine Judgment

The fall of Babylon, as described in both biblical prophecy and historical records, serves as a powerful example of how God’s judgment was executed on nations that defied Him. The prophet Isaiah predicted the rise of Cyrus and his role in the conquest of Babylon long before these events transpired. Isaiah 44:28 refers to Cyrus as Jehovah’s shepherd, who would carry out His will, stating: “Who says of Cyrus, ‘He is my shepherd, and he shall fulfill all my purpose.’” In the following chapter, Isaiah 45:1-2 continues: “Thus says Jehovah to his anointed, to Cyrus, whose right hand I have grasped, to subdue nations before him and to loose the belts of kings, to open doors before him that gates may not be closed.”

Map of the Neo-Babylonian Empire under Nabonidus.

The accuracy of these prophecies, written more than a century before Cyrus’ conquest of Babylon, highlights the sovereignty of God over human history. Cyrus’ actions fulfilled the divine decree against Babylon, a nation that had been used as an instrument of judgment against Judah but was itself subject to judgment for its idolatry and pride. Jeremiah 25:12 proclaims: “Then after seventy years are completed, I will punish the king of Babylon and that nation, the land of the Chaldeans, for their iniquity, declares Jehovah, making the land an everlasting waste.” This prophecy underscores the principle that God’s justice is impartial and universal, extending even to powerful empires like Babylon.

The Legacy of Nabonidus and the Importance of Faithfulness

Nabonidus’ reign serves as a cautionary tale for leaders who prioritize personal ambition and religious preferences over the well-being of their people and adherence to divine principles. His disregard for the religious customs of Babylon, particularly his neglect of the New Year festival and his devotion to the moon-god Sin, created a fractured kingdom vulnerable to outside threats. By alienating the Babylonian priesthood and failing to maintain the loyalty of his people, Nabonidus contributed to the downfall of his empire.

Detail, stele of Nabonidus. Nabonidus wears the traditional dress of a Babylonian king, holding objects symbolizing justice and power. Before him is the crescent moon god Sin, to whom Nabonidus was personally devoted. Probably from Babylon, Iraq. Neo-Babylonian period, reign of Nabonidus, 556-539 BCE. The British Museum, London.

The events surrounding the fall of Babylon remind us of the importance of faithfulness to God’s will, as demonstrated in the lives of prophets like Daniel, who remained steadfast in their devotion to Jehovah despite living in exile. Daniel’s faithfulness and his role in interpreting the divine message to Belshazzar reflect the broader theme of God’s control over the rise and fall of nations, as expressed in Daniel 2:21: “He changes times and seasons; he removes kings and sets up kings; he gives wisdom to the wise and knowledge to those who have understanding.”

Conclusion: Nabonidus’ Defeat and God’s Sovereignty

The fall of Babylon and the defeat of Nabonidus underscore the central biblical theme that God is sovereign over all nations and rulers. Even the most powerful empires are subject to His will, and their downfall is assured when they turn away from righteousness. The prophecies of Isaiah, Jeremiah, and Daniel all point to this reality, showing that the fall of Babylon was not merely a political event but a divine judgment.

While Nabonidus may have sought to establish his legacy through religious reforms and military campaigns, his reign ultimately ended in failure, illustrating the futility of opposing God’s plans. As the final ruler of Babylon, Nabonidus’ story serves as a powerful reminder that human ambition and pride are no match for the sovereign purposes of Jehovah, who “removes kings and sets up kings” (Daniel 2:21).

About the Author

EDWARD D. ANDREWS (AS in Criminal Justice, BS in Religion, MA in Biblical Studies, and MDiv in Theology) is CEO and President of Christian Publishing House. He has authored over 220+ books. In addition, Andrews is the Chief Translator of the Updated American Standard Version (UASV).