The prophecy concerning Cyrus the Great is one of the most astonishing in the Bible, primarily because the prophet Isaiah named the Persian king approximately 150 years before he was even born. Written around 700 BC, these verses predicted not only the rise of a specific ruler but the exact method he would use to conquer the “impenetrable” city of Babylon.
Who Was Cyrus the Great?
Cyrus II, commonly known as Cyrus the Great, was the founder of the Achaemenid Empire, the first Persian Empire. Before his rise, the Persians were a minor group subject to the Medes. Cyrus united the Median and Persian kingdoms and went on to conquer the Lydian and Neo-Babylonian Empires. Unlike the brutal Assyrian and Babylonian kings before him, Cyrus was known for his “human rights” approach to conquered peoples, often allowing them to retain their customs and return to their ancestral lands—a policy that was revolutionary for the 6th century BC.
Why the Prophecy Was Given
God issued this prophecy to demonstrate His sovereignty over world empires and to provide hope for the Jewish exiles. While Israel was still a nation, God was already naming the man who would eventually end their future 70-year captivity in Babylon. Cyrus was chosen as God’s “shepherd” and “anointed” (Isaiah 45:1) to facilitate the rebuilding of the Temple in Jerusalem.
The Biblical Prophecy (KJV)
“That saith of Cyrus, He is my shepherd, and shall perform all my pleasure: even saying to Jerusalem, Thou shalt be built; and to the temple, Thy foundation shall be laid.” (Isaiah 44:28)
“Thus saith the Lord to his anointed, to Cyrus, whose right hand I have holden, to subdue nations before him… to open before him the two leaved gates; and the gates shall not be shut.” (Isaiah 45:1)
The Impenetrable Fortress of Babylon
Babylon was the ultimate superpower of the 6th century BC. Its fortifications were legendary: walls so thick that two chariots could race atop them, and a massive moat formed by the Euphrates River which flowed directly under the city walls. The city had enough food stored to last for years, making a traditional siege seemingly useless. The “two-leaved gates” mentioned in Isaiah referred to the inner brass gates that protected the city from the riverfront.
The Fulfillment: The Night the River Ran Dry
In 539 BC, Cyrus the Great led the Medo-Persian army against Babylon. Instead of a direct assault on the walls, Cyrus performed a brilliant engineering feat. His engineers dug channels upstream to divert the Euphrates River into a nearby basin. As the water level dropped to “the height of a man’s thigh,” the Persian soldiers marched into the city along the riverbed.
Incredibly, the inner gates along the river had been left open during a night of drunken revelry by the Babylonian King Belshazzar—exactly as Isaiah had predicted (“the gates shall not be shut”). Cyrus took the city without a major battle. Shortly after, he issued the decree allowing the Jews to return to Jerusalem, fulfilling the second half of the prophecy.
The Importance of the Cyrus Cylinder
Discovered in 1879, the Cyrus Cylinder is a clay barrel inscribed in Akkadian cuneiform. It is often described as the “first charter of human rights.” Its importance to biblical studies cannot be overstated: it provides independent, secular confirmation of Cyrus’s policy of religious tolerance and his decree allowing displaced peoples to return to their homes and rebuild their sanctuaries. While the cylinder mentions the Babylonian god Marduk, it perfectly mirrors the historical reality described in the books of Ezra and Isaiah regarding the Jewish return to Jerusalem.
Why This Silences Critics
Critics often attempt to date the book of Isaiah much later through the “Deutero-Isaiah” theory, arguing that the chapters naming Cyrus must have been written after his conquest because they believe predictive prophecy is impossible. However, the discovery of the Dead Sea Scrolls provides a devastating blow to this skepticism. The Great Isaiah Scroll, dating to approximately 125 BC, reveals a completely unified text with no physical division, gap, or transition between the earlier chapters and the Cyrus prophecies. This seamless continuity suggests the book was always regarded as a single work rather than a collection of fragments added by later authors over centuries.
Furthermore, the linguistic unity found within the scrolls reinforces the traditional authorship. Unique theological titles such as “The Holy One of Israel” are woven consistently throughout the entire scroll, providing a signature of a single mind rather than the disparate styles one would expect from authors separated by 150 years. The fact that a complete, highly revered, and unified version of Isaiah was already “ancient” and standard by 125 BC makes the “late-date” theory much harder to maintain. It shows that the Jewish community, which was meticulously careful with its records, never viewed the Cyrus chapters as a recent addition. By providing a physical “time stamp” that shows the prophecy was already considered ancient long before the New Testament era, the scrolls force critics to confront the precision of the text. The naming of Cyrus and the specific details of the “open gates” cannot be dismissed as a late-date insertion, leaving divine inspiration as the only logical explanation for such detailed foreknowledge.
Historical and Secular References
- The Cyrus Cylinder: British Museum (WA 90920). Secular record of Cyrus’s decree of restoration.
- Herodotus, *The Histories*: Detailed secular account of the Euphrates diversion.
- Xenophon, *Cyropaedia*: Historical perspective on Cyrus’s strategic genius.
- Josephus, *Antiquities of the Jews*: Records Cyrus reading Isaiah’s prophecy.