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Biblical History Atlas

Historical event dossier · Military, Political

Fall of Babylon to Cyrus (October 539 BC)

Researched — not human reviewedRevision 1Last reviewed: not reviewed

Human review pending. 3 items from this dossier are awaiting the project owner's review: “Proposed fulfillment: Isaiah 45:1–7 → fall of Babylon to Cyrus” (queued 2026-10-13, status open). “Disputed: Babylon entered "without battle" (cuneiform) vs Greek accounts of a siege and surprise entry” (queued 2026-10-13, status open). “Proposed fulfillment: Jeremiah 51:57 → Belshazzar's feast and the fall of Babylon” (queued 2026-10-13, status open). All classifications on this page are machine-proposed unless marked otherwise. Review happens offline. This site has no review controls.

Biblical references

Text: World English Bible (public domain). The ESV and NKJV are the preferred study translations and are referenced, not reproduced.

Daniel 5:28–31Reference
28 PERES: your kingdom is divided, and given to the Medes and Persians.” 29 Then Belshazzar commanded, and they clothed Daniel with purple, and put a chain of gold about his neck, and made proclamation concerning him, that he should be the third ruler in the kingdom. 30 In that night Belshazzar the Chaldean King was slain. 31 Darius the Mede received the kingdom, being about sixty-two years old.

Implied; Daniel does not narrate the capture.

Biblical account

Layer: Biblical text

Daniel's reading of PERES announces that the kingdom is given to the Medes and Persians; the chapter ends with Belshazzar's death and Darius the Mede receiving the kingdom. The capture itself is not narrated.

Historical overview

Layer: Historical reconstruction · Period: Tašrītu–Arahsamna, Nabonidus year 17 (Oct 539 BC)

Cyrus defeated the army of Akkad at Opis on the Tigris; Sippar was taken on the 14th (11 Oct) without battle and Nabonidus fled; on the 16th (13 Oct in Parker & Dubberstein) Ugbaru and Cyrus's army entered Babylon without battle; Nabonidus was captured; Cyrus entered on 3 Arahsamna (29 Oct) and peace was proclaimed.[1, 2, 3]

Kingdoms: Neo-Babylonian Empire, Achaemenid Persian Empire

Date and chronology derivation

Ranges are computed by the project's deterministic chronology engine from the biblical statements and each model's reign anchors. They are reconstructions, not independent dates.

539 BC

Model-independent (applies under every chronology model) · precision: day

How this range was derived

Earliest bound

  1. Synchronism: Fall of Babylon: 16 Tašrītu, Nabonidus year 17 (ABC 7) — independently dated between 12 Oct 539 BC and 13 Oct 539 BC (Babylonian day date converted with Parker & Dubberstein (1942) tables) (Daniel 5:30–31)[1, 2, 3]Assumption: 16 Tašrītu year 17 = 13 Oct 539 (Parker & Dubberstein 1942, p. 11; month VII began 28 Sep). Many modern works give 12 Oct; the one-day spread reflects day-boundary and month-start conventions. Window 12–13 Oct. The chronicle year is lost on the tablet; the 17th year of Nabonidus is fixed by context and the Babylonian king-list chronology (Parker & Dubberstein).

Latest bound

  1. Synchronism: Fall of Babylon: 16 Tašrītu, Nabonidus year 17 (ABC 7) — independently dated between 12 Oct 539 BC and 13 Oct 539 BC (Babylonian day date converted with Parker & Dubberstein (1942) tables) (Daniel 5:30–31)[1, 2, 3]Assumption: 16 Tašrītu year 17 = 13 Oct 539 (Parker & Dubberstein 1942, p. 11; month VII began 28 Sep). Many modern works give 12 Oct; the one-day spread reflects day-boundary and month-start conventions. Window 12–13 Oct. The chronicle year is lost on the tablet; the 17th year of Nabonidus is fixed by context and the Babylonian king-list chronology (Parker & Dubberstein).

View on the timeline →

What else was happening? (model-independent)

  • Daniel's refusal of the king's food and the ten-day test (Dan 1:8–16): 606 BC – ?
  • Nebuchadnezzar's golden image on the plain of Dura (Dan 3:1–7): 603 BC – ?
  • Nebuchadnezzar's decree honouring the God of the three Judeans (Dan 3:28–30): 603 BC – ?
  • The refusal of Shadrach, Meshach and Abednego and the fiery furnace (Dan 3:8–27): 603 BC – ?
  • Belshazzar slain; Darius the Mede receives the kingdom (Dan 5:30–31): 539 BC
  • Belshazzar's feast and the writing on the wall (Dan 5:1–29): 539 BC
  • Cyrus II (the Great) (reign): 539 BC – 530 BC
  • Nabonidus (reign): 556 BC – 539 BC
  • The thirty-day decree and Daniel in the lions' den (Dan 6:4–23): 539 BC – ?
  • Darius appoints 120 satraps and three chief officials (Dan 6:1–3, 28): 539 BC – ?
  • The accusers punished; Darius's decree honouring the God of Daniel (Dan 6:24–27): 539 BC – ?
  • Daniel's night vision of the four beasts and its interpretation (Dan 7): ? – 539 BC
  • Daniel's vision of the ram and the goat at Susa (Dan 8): ? – 539 BC
  • Gabriel comes at the evening offering with the word of the seventy weeks (Dan 9:20–27): 539 BC – 536 BC
  • Daniel reads Jeremiah's seventy years and prays (Dan 9:1–19): 539 BC – 536 BC
  • Gedaliah governs from Mizpah and is assassinated (2 Kgs 25:22–26): 589 BC – ?

Ancient and modern geography

Location confidence assumes the event as described. Whether it occurred is assessed in the claims below.

PlaceConnection to this eventLocation identification
BabylonBabil (ruins near Hillah)City capturedLocation confidence: certainBabylon (Pleiades 893951): certain[4]

View on the map →

Claims, evidence and classifications

Each claim is classified on its own. A classification describes the evidence for that specific claim, not for the event as a whole.

Cyrus's forces under Ugbaru entered Babylon on 16 Tašrītu of Nabonidus's 17th year (12/13 Oct 539 BC), and Cyrus entered on 3 Arahsamna (29 Oct).

Independently corroboratedMachine-proposedExternal evidence

Dated directly by the Nabonidus Chronicle; converted by Parker & Dubberstein's tables; the Cyrus Cylinder confirms the entry. The one-day difference between 12 and 13 October reflects conversion conventions, not a source conflict.

Supporting

  • Sippar taken on the 14th; on the 16th Ugbaru and Cyrus's army entered Babylon without a battle; Nabonidus was arrested; Cyrus entered on 3 Arahsamna; Ugbaru died on 11 Arahsamna.[1]Strength: direct·iii 12–22·Claim checked
  • VII/14/17 = 11 Oct 539, VII/16/17 = 13 Oct, VIII/3 = 29 Oct; a Uruk tablet dated by Nabonidus on the following day shows news had not yet arrived.[2]Strength: direct·p. 11·Claim checked
  • Marduk made Cyrus enter Babylon "without fighting or battle".[3]Strength: direct·Line 17·Claim checked

Limitations of this classification: The year is broken on the tablet and restored from context.

Research date 2026-10-13

Babylon was entered without a battle.

DisputedOwner review pendingExternal evidenceIn owner review queue

Both cuneiform sources say "without battle", but both are Persian-period and the Cylinder is royal propaganda. Herodotus describes a siege and surprise entry; Xenophon a fight at the palace. Briant and Michalowski doubt the cuneiform claim (via Wikipedia).

Supporting

  • Sippar taken on the 14th; on the 16th Ugbaru and Cyrus's army entered Babylon without a battle; Nabonidus was arrested; Cyrus entered on 3 Arahsamna; Ugbaru died on 11 Arahsamna.[1]Strength: direct·iii 12–22·Claim checked
  • Marduk made Cyrus enter Babylon "without fighting or battle".[3]Strength: direct·Line 17·Claim checked

Challenging

  • The Babylonians fought, were shut up in a siege, and the city fell by surprise when Cyrus diverted the river.[5]Strength: indirect·1.190–191·Claim checked
  • Cyrus's men killed guards and the king in the palace, and cavalry cleared the streets.[6]Strength: indirect·7.5.26–33·Claim checked

Context

  • Briant calls a battle-free entry "prima facie unlikely"; Tolini proposes a forced entry through the Enlil Gate.[7]Strength: indirect·Invasion; historiography·Claim checked

Limitations of this classification: Modern discussions (Briant, Tolini) not read directly.

Research date 2026-10-13

Nabonidus was captured after the fall of Babylon.

Independently corroboratedMachine-proposedExternal evidence

The Chronicle records that Nabonidus fled and was later arrested in Babylon.

Supporting

  • Sippar taken on the 14th; on the 16th Ugbaru and Cyrus's army entered Babylon without a battle; Nabonidus was arrested; Cyrus entered on 3 Arahsamna; Ugbaru died on 11 Arahsamna.[1]Strength: direct·iii 12–22·Claim checked

Research date 2026-10-13

Evidence by type

The same evidence regrouped by kind of source. Each item names the claims it bears on.

Archaeological evidence

None recorded for this event.

Scientific findings

None recorded for this event.

Ancient documents

Modern news and announcements

None recorded for this event.

Reference works and summaries

Historical disputes and competing reconstructions

Disputed claims: Babylon was entered without a battle.

  • Peaceful entry (cuneiform sources)

    Nabonidus Chronicle; Cyrus Cylinder

    Babylon was entered "without battle"; the Cylinder frames this as Marduk's choice of Cyrus.[1, 3]

  • Surprise entry by the river during a festival (Greek sources)

    Herodotus 1.191; Xenophon, Cyropaedia 7.5

    After a siege, Cyrus diverted the Euphrates and his men entered along the riverbed while the city celebrated; Xenophon adds that the king was killed in his palace.[5, 6]

  • Propaganda and a forced entry

    P. Briant; P. Michalowski; G. Tolini; via Wikipedia

    The "without battle" claim is pro-Persian framing; Tolini proposes a forced entry through the Enlil Gate that the river story may echo.[7]

FromRelationshipToBasis
this eventSource attestationhigh · External evidenceBabylonian Chronicle ABC 7 (Nabonidus Chronicle)Dated narrative of the capture.[1]
this eventArtifact associationhigh · External evidenceCyrus CylinderCyrus's own account of his entry into Babylon.[3, 9]
this eventThematic parallelmedium · Biblical textIsaiah 13:17–19Oracle naming the Medes stirred up against Babylon (found by the "Medes" name search). Motif only; no fulfilment claim recorded here.
this eventThematic parallelmedium · Biblical textIsaiah 21:2Elam and Media summoned against Babylon; "Fallen, fallen is Babylon" (21:9). Motif only.
this eventThematic parallelmedium · Biblical textJeremiah 51:28"The kings of the Medes" prepared against Babylon. Motif only.

Prophetic relationships

  • Isaiah 45:1–7 → Proposed fulfillment → this eventPreterist reading, proposed by D. Guzik; traditional Christian interpretation · medium · InterpretationGuzik reads Isaiah's naming of Cyrus and the opening of gates before him (Isa 44:28–45:7) as fulfilled in the capture of Babylon.[8]
  • Jeremiah 51:57 → Proposed fulfillment → this eventPreterist reading, proposed by D. Guzik · low · InterpretationGuzik reads Jeremiah's oracle that Babylon's princes would be made drunk and "sleep a perpetual sleep" as fulfilled at the feast and fall.[8]

Synchronisms with external chronology

  • Fall of Babylon: 16 Tašrītu, Nabonidus year 17 (ABC 7)

    Documentary correlation · direct · evidence strength: strong · independent date: 539 BC (Babylonian day date converted with Parker & Dubberstein (1942) tables)

    The Babylonian Chronicle dates the entry of Cyrus's army into Babylon to 16 Tašrītu of Nabonidus's 17th year; Daniel 5:28–31 places the end of Belshazzar's kingdom and its transfer to the Medes and Persians at that juncture.[1, 2, 3]

    Assumptions: The chronicle year is lost on the tablet; the 17th year of Nabonidus is fixed by context and the Babylonian king-list chronology (Parker & Dubberstein).

Commentary references

Layer: Interpretation. This is commentary, not historical evidence.

Guzik follows Herodotus on the diverted Euphrates and unlocked gates and sees the fall as fulfilling Isaiah 44:28–45:7 and Jeremiah 51:57–58.[8]

Unanswered questions and research gaps

  • Briant (2002), Tolini (2005) and Michalowski not read directly.
  • Berossus on Nabonidus's fate (Against Apion 1.20) not read this session.
  • Read Briant (2002) and Tolini (2005) directly.
  • Consult Parker & Dubberstein 1956 to confirm the 1942 conversion.

Research process

8 logged searches
DateQueryWhereUseful
2026-10-13Enduring Word Daniel 5web fetch1
2026-10-13Livius: Nabonidus Cylinder from Ur; Verse Account; Cyrus Cylinder translation; ABC 7 year 17First Cyrus Cylinder URL returned 404; the translation page was found.web fetch4
2026-10-13Wikipedia: Belshazzar; Darius the Mede; Fall of Babylon; Belshazzar's feast; Cyrus Cylinder; Nabonidus Cylinderweb fetch6
2026-10-13Nabonidus Chronicle 16 Tashritu October 12 539 Parker DubbersteinResults disagreed (11/12, 12, 13 Oct); resolved by reading Parker & Dubberstein directly.web1
2026-10-13archive.org: Parker & Dubberstein, Babylonian Chronology (SAOC 24)OCR text of the 1942 edition read.archive.org1
2026-10-13archive.org: Dougherty, Nabonidus and Belshazzar (1929)OCR text read.archive.org1
2026-10-13Herodotus 1.188–191; Xenophon Cyropaedia 1.5, 7.5; Josephus Ant. 10.11 (Gutenberg)Perseus pages returned navigation only; gutenberg.org returned 503; pglaf mirror used.gutenberg mirror3
2026-10-13Josephus Against Apion 1.20 (Berossus on Nabonnedus)Download failed; not cited.gutenberg mirror0

Sources

  1. 1.
    Lendering, Jona (ed.). ABC 7 (Nabonidus Chronicle) — English translation on Livius.org. Livius.org. www.livius.orgClaim checkedAncient primary textFull translation page read. The page gives no museum number and no Julian dates.Verification log
  2. 2.
    Parker, Richard A., Dubberstein, Waldo H.. Babylonian Chronology 626 B.C.–A.D. 45 (SAOC 24). University of Chicago Press (Oriental Institute). archive.orgClaim checkedAcademic monographRead through the Internet Archive OCR text of the Oriental Institute PDF; OCR has digit errors (e.g. "589" for 539) checked against context. The 1956 revised edition was not consulted.Verification log
  3. 3.
    Cogan, Mordechai (trans., COS 2003), Schaudig, Hanspeter (edition), van der Spek, R. J.. Cyrus Cylinder — English translation on Livius.org. Livius.org. www.livius.orgClaim checkedAncient primary textPage states only that the cylinder is in the British Museum.Verification log
  4. 4.
    Pleiades contributors. Babylon — Pleiades place 893951. Pleiades (pleiades.stoa.org). pleiades.stoa.orgClaim checkedInstitutional databaseRepresentative point read from the Pleiades JSON record: lon 44.42497815, lat 32.53729695.Verification log
  5. 5.
    Herodotus, Macaulay, G. C. (trans.). Herodotus, Histories 1.188–191 (trans. G. C. Macaulay). Project Gutenberg #2707. www.gutenberg.orgClaim checkedAncient primary textVerification log
  6. 6.
    Xenophon, Dakyns, Henry Graham (trans.). Xenophon, Cyropaedia 7.5 (trans. H. G. Dakyns). Project Gutenberg #2085. www.gutenberg.orgClaim checkedAncient primary textVerification log
  7. 7.
    Wikipedia contributors. Fall of Babylon — Wikipedia. Wikimedia Foundation. en.wikipedia.orgClaim checkedPopular summaryIts Julian date (12 Oct 539) is cited to a 2025 newspaper and a 2025 popular article, not to a chronology table; not relied on for the date.Verification log
  8. 8.
    Guzik, David. Daniel 5 — Enduring Word Bible Commentary. Enduring Word. enduringword.comClaim checkedTheological commentaryInterpretive resource — not historical corroboration.Verification log
  9. 9.
    Wikipedia contributors. Cyrus Cylinder — Wikipedia. Wikimedia Foundation. en.wikipedia.orgClaim checkedPopular summaryVerification log