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Belshazzar

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Belshazzar was the crown prince and effective ruler of Babylon during the final years of the Neo-Babylonian Empire in the sixth century BC. The eldest son of King Nabonidus, he governed the empire's heartland for roughly a decade while his father lived far away at the Arabian oasis of Tayma. He is remembered above all through the Book of Daniel, where a mysterious hand writes his doom on a palace wall during a feast, an episode that gave the world the phrase 'the writing on the wall'. Cuneiform records recovered in the nineteenth century confirmed that he was a genuine historical figure, and his career now offers a rare case where archaeology and biblical tradition can be compared line by line.

Origins and Family

Belshazzar, whose Akkadian name Bel-sharra-usur means 'Bel, protect the king', was born into the Babylonian elite in the first half of the sixth century BC. His father was Nabonidus, a court official of unusual background who seized the throne of Babylon in 556 BC after a palace coup ended the short reign of the boy king Labashi-Marduk [1]. Nabonidus was not related to the great Nebuchadnezzar II by blood, so far as surviving records show, and his rise placed his family at the head of an empire that stretched from the Persian Gulf to the borders of Egypt [2].

The identity of Belshazzar's mother is not certain. Some scholars have proposed that Nabonidus married a daughter of Nebuchadnezzar II to strengthen his claim, which would make Belshazzar a grandson of that famous king, but no contemporary document confirms the link [1]. What the tablets do reveal is that Belshazzar was already an adult with his own household, estates, and business agents before his father took the throne. Administrative texts from the reign of Neriglissar mention a Bel-sharra-usur engaged in commercial dealings, and most Assyriologists identify this man with the future crown prince [3].

His grandmother, the priestess Adad-guppi, lived to a remarkable age and left a funerary inscription that records the family's devotion to the moon god Sin of Harran. That devotion shaped the religious policy of Nabonidus and, indirectly, the political situation that Belshazzar would later have to manage [2].

Path to Power

The turning point in any Belshazzar biography comes early in his father's reign. In or around 553 BC, Nabonidus did something no Babylonian king had done before: he left his capital for an extended stay at Tayma, an oasis city deep in the Arabian desert, and remained there for about ten years [1]. His reasons are still debated. Trade routes, military strategy, devotion to the moon god, and friction with the powerful priesthood of Marduk in Babylon have all been suggested, and the sources allow no final answer [4].

Before departing, Nabonidus formally entrusted the government to his son. A cuneiform text known as the Verse Account of Nabonidus states that the king 'entrusted the kingship' to his eldest son and put the troops of the land under his command [3]. From that point Belshazzar administered Babylonia in his father's name. Legal and economic tablets from these years show oaths sworn jointly by the names of Nabonidus and Belshazzar, an arrangement without parallel in Babylonian practice, since oaths were normally sworn by the king alone [3].

Yet Belshazzar never became king in the full sense. He could not preside over the New Year festival, the akitu, because the rite required the physical presence of the monarch, and the festival was simply suspended during the years of the king's absence [1]. Contemporary scribes continued to date documents by the regnal years of Nabonidus. Belshazzar held real power without the crown, a distinction that mattered greatly in Babylonian religion and law [4].

Regent of Babylon

Anyone asking who was Belshazzar in practical terms should picture a working administrator rather than the decadent prince of later legend. The tablets show him managing temple finances, leasing land, settling disputes, and issuing orders to officials across Babylonia [3]. He maintained his own extensive household with scribes, stewards, and business managers, and he made offerings of gold, silver, and sacrificial animals to the great sanctuaries of Sippar, Larsa, and Uruk [1].

His relationship with the temples was careful and sometimes tense. Nabonidus promoted the moon god Sin above Marduk, the traditional head of the Babylonian pantheon, and this policy angered influential priests in the capital [2]. Belshazzar, left to govern the offended city, seems to have taken a more conventional line, honoring the established cults while his father pursued religious experiments abroad. Letters and receipts show his officials supervising temple herds and auditing sanctuary accounts, routine work that kept the economy of southern Mesopotamia running [3].

Defense also fell to him. The rise of Cyrus II of Persia, who overthrew the Median kingdom around 550 BC and then conquered Lydia in western Anatolia, transformed the strategic map of the Near East [4]. Babylon found itself facing a single expanding power along its entire northern and eastern frontier. As commander of the army during his father's absence, Belshazzar was responsible for the empire's readiness in these increasingly dangerous years [1].

The Feast in the Book of Daniel

Belshazzar owes his lasting fame to chapter five of the biblical Book of Daniel. In that account the king holds a great banquet for a thousand nobles and, in an act of sacrilege, drinks wine from the gold and silver vessels that Nebuchadnezzar had looted from the temple in Jerusalem [5]. During the feast the fingers of a human hand appear and write on the plaster of the palace wall the words mene, mene, tekel, upharsin. None of the court sages can read them until the Judean exile Daniel is summoned. He interprets the message as a divine verdict: the king's days are numbered, he has been weighed and found wanting, and his kingdom will be divided between the Medes and the Persians. That same night, the text says, Belshazzar was slain [5].

The story presents historical puzzles. Daniel calls Belshazzar the son of Nebuchadnezzar and describes him as king, while the cuneiform evidence makes him the son of Nabonidus and a crown prince who never formally reigned [1]. Some interpreters note that 'son' in Aramaic usage could mean descendant or successor, and that Daniel has Belshazzar offer the interpreter the position of 'third ruler in the kingdom', a detail that fits a court where the first two places were already taken by Nabonidus and his son [6].

For centuries before the decipherment of cuneiform, skeptics doubted that Belshazzar had existed at all, since Greek historians such as Herodotus never mention him. That changed in 1854, when inscribed clay cylinders of Nabonidus were excavated at Ur naming 'Bel-sharra-usur, my eldest son, my offspring' in a prayer to the moon god [7]. The discovery restored Belshazzar to history and remains one of the most cited examples of archaeology illuminating a biblical text [6].

The Fall of Babylon

The end came quickly. Nabonidus returned from Arabia in the late 540s BC as war with Persia became unavoidable. In the autumn of 539 BC, Cyrus advanced down the Tigris and defeated the Babylonian army at Opis, a battle that the Nabonidus Chronicle records along with a subsequent massacre of the defeated population [8]. Sippar surrendered without resistance, and on the sixteenth day of the month Tashritu, corresponding to October 539 BC, the Persian commander Ugbaru entered Babylon itself, reportedly without a major battle [8].

What happened to Belshazzar in those weeks is not recorded in any surviving cuneiform document. The Chronicle notes that Nabonidus was captured in Babylon after fleeing, but it breaks off without naming his son [8]. The Book of Daniel states that Belshazzar was killed on the night the city fell [5]. The later Greek writer Xenophon describes an unnamed Babylonian king slain in his palace during a nighttime assault, an account some scholars connect with Belshazzar's death, though Xenophon wrote a didactic romance rather than strict history [4]. Most historians accept that Belshazzar died during or shortly after the Persian conquest, since he vanishes completely from the record at that point [1].

With the fall of the city, the Neo-Babylonian Empire ended after less than a century of independence. Cyrus presented himself as a liberator chosen by Marduk, allowed deported peoples, including the Judean exiles, to return home, and absorbed Babylonia into what became the largest empire the world had yet seen [2].

Legacy

Among the most striking Belshazzar facts is the gap between his documented life and his cultural afterlife. In the tablets he is a diligent regent handling grain accounts and temple audits. In the Western imagination he became the very image of doomed arrogance, feasting while his kingdom collapsed. The phrase 'the writing on the wall', meaning a clear sign of coming failure, entered everyday English directly from his story [6].

Artists returned to the feast again and again. Rembrandt painted a wide-eyed Belshazzar recoiling from the glowing Hebrew letters in about 1635, a canvas now in the National Gallery in London [9]. Handel built an oratorio around the episode in 1744, Heinrich Heine wrote a celebrated ballad on it, and William Walton's 1931 cantata Belshazzar's Feast remains a staple of the choral repertoire [6]. Few minor royals of the ancient world have inspired so much art.

For historians, Belshazzar's achievements lie in a quieter register: he kept a great empire functioning for a decade under an absentee king, an administrative feat visible in hundreds of surviving business documents [3]. His career also serves as a methodological lesson. A man once dismissed as a biblical invention proved to be real when the clay archives of Mesopotamia were finally read, a reminder that absence from one set of sources is not absence from history [7].

Questions & Answers

Who was Belshazzar?
Belshazzar was the eldest son of Nabonidus, the last king of the Neo-Babylonian Empire. He governed Babylonia as crown prince and regent for about ten years while his father lived at the Arabian oasis of Tayma, and he appears in the Book of Daniel as the ruler who saw the writing on the wall.
When was Belshazzar born?
His birth date is unknown. Business documents suggest he was already an adult managing his own affairs in the 560s and 550s BC, so he was probably born in the early sixth century BC, during or shortly after the reign of Nebuchadnezzar II.
What is Belshazzar famous for?
He is best known from Daniel chapter five, where a disembodied hand writes a message of judgment on his palace wall during a great feast, and he dies that same night as Babylon falls. The episode gave English the expression 'the writing on the wall'.
Was Belshazzar a real historical person?
Yes. For centuries he was known only from the Bible, but cylinders of Nabonidus excavated at Ur in 1854 name Bel-sharra-usur as the king's eldest son. Many administrative tablets from Babylon also record his activities as regent.
How did Belshazzar die?
No cuneiform text records his death, but he disappears from all documents after the Persian conquest of Babylon in October 539 BC. The Book of Daniel says he was killed the night the city fell, and most historians accept that he died during or soon after the Persian takeover.
Was Belshazzar the son of Nebuchadnezzar?
Cuneiform sources make him the son of Nabonidus, who was not a blood relative of Nebuchadnezzar as far as records show. The Book of Daniel calls him Nebuchadnezzar's son, which may reflect Aramaic usage where 'son' can mean descendant or royal successor, possibly through his mother.

References

Every record in this archive is kept against verifiable sources.

  1. [1]Raymond Philip Dougherty. Nabonidus and Belshazzar: A Study of the Closing Events of the Neo-Babylonian Empire. Yale University Press, 1929. Book
  2. [2]Paul-Alain Beaulieu. The Reign of Nabonidus, King of Babylon 556-539 B.C.. Yale University Press, 1989. Book
  3. [3]Belshazzar. Encyclopaedia Britannica. https://www.britannica.com/biography/BelshazzarWeb
  4. [4]Amelie Kuhrt. The Ancient Near East c. 3000-330 BC, Volume II. Routledge, 1995. Book
  5. [5]The Book of Daniel, chapter 5 (Hebrew Bible). Canonical text, multiple editions. Primary source
  6. [6]John J. Collins. Daniel: A Commentary on the Book of Daniel (Hermeneia series). Fortress Press, 1993. Book
  7. [7]Cylinders of Nabonidus from Ur naming Bel-sharra-usur. British Museum collection, London. Primary source
  8. [8]The Nabonidus Chronicle (Mesopotamian Chronicle ABC 7). Livius.org. https://www.livius.org/sources/content/mesopotamian-chronicles-content/abc-7-nabonidus-chronicle/Primary source
  9. [9]Belshazzar's Feast, painting by Rembrandt van Rijn. The National Gallery, London. Web

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