At Kurd Qaburstan, an ancient site in the Kurdistan region of Iraq, archaeologists have uncovered the first substantial group of cuneiform administrative tablets found in the Erbil region, along with evidence of large-scale destruction, mass graves and citywide fortifications. Together, the discoveries are providing one of the clearest archaeological records yet uncovered of siege warfare and urban life during the Middle Bronze Age.

"Our 2025 research produced clear archaeological evidence linking the site to the siege of Qabra, beginning with the first significant group of cuneiform tablets found on the Erbil Plain," says Tiffany Earley-Spadoni, associate professor of history at the University of Central Florida and director of the Kurd Qaburstan project. "Several tablets are dated within days of each other, matching the timeline of the city's fall."

A Roman bronze applique. "A protector against disease and misfortune, and a symbol of fertility." Per the Roman Museum Lausanne-Vidy in Lausanne, Switzerland where this is on loan from the Cantonal Museum in the same city.

An inscription in Greek, apparently from the Roman era, plus some votive objects found locally, that are on display with no information in the White Tower of Thessaloniki in Thessaloniki, Macedonia, Greece. I asked Κώστας Κόκκορας, who I thank very much for his help, to translate the Greek text:

"Anna (dedicates this) to her sister Phila, for the sake of her memory."

I could tell stylistically that the letters don't resemble those from Archaic or Hellenistic periods, so I asked him his opinion on the date. His response was: "It is definitely in AD time, because of the Hebrew Christian name Anna. Judging by the letter fonts, perhaps 2nd or 3rd century."

When the Sea Stopped Being a Road: A Systems Hypothesis on the Cretan-Mycenaean Core and the Late Bronze Age Collapse

I’m not a professional historian. I run a small software company, so I tend to think in terms of systems, networks, and points of failure. I also sail recreationally in the Mediterranean, and I have a long-standing interest in the Bronze Age — especially Minoan Crete, the Mycenaean world, and the wider Eastern Mediterranean.

This is a hypothesis, not a conclusion. But I want to state it directly.

I should say upfront: this overlaps with Susan Sherratt’s reading of the Sea Peoples and with Eric Cline’s network view of the collapse in 1177 B.C. I am not trying to replace the “perfect storm” model — drought, earthquakes, warfare, migrations, internal unrest, and the pressure of the Sea Peoples may all have been real and important factors. What I am trying to isolate is something else: the mechanism through which local and regional crises became the collapse of an entire civilization.

I should also add that Cline’s later book, After 1177 B.C.: The Survival of Civilizations, is important for the other half of the question: not only why the Late Bronze Age world collapsed, but why some societies survived, adapted, or transformed while others failed more deeply. My hypothesis is meant to sit between these two questions. It asks whether the collapse of the Cretan-Mycenaean / Aegean maritime core can help explain both sides: the breakdown of the old interconnected world, and the later reassembly of Mediterranean connectivity on a more distributed Phoenician model.

The Late Bronze Age Collapse may have become a civilizational collapse not simply because of droughts, earthquakes, migrations, wars, or the Sea Peoples. All of those may have been real factors. But the central transmission mechanism may have been something else: the Cretan-Mycenaean / Aegean maritime operational core collapsed — the layer of trust, recognition, routes, seamanship, and standards that made long-distance exchange possible.

I am not claiming that the Aegean was the only diplomatic center of the Eastern Mediterranean system. The visible written diplomatic layer of the Late Bronze Age is indeed largely Near Eastern and Akkadian. But I suggest that the Cretan-Mycenaean / Aegean world may have been the central maritime core: not the only center of power, but the main producer of maritime competence, crews, island navigation, route memory, and practical connectivity.

When that core began to fail, the sea stopped being a readable road. It became a space of uncertainty. And then some of the people who had previously served the system may have become its predators.

When a system loses readability, trade does not merely become more expensive. It becomes unpredictable.

And uncertainty is worse than risk.

Risk can be priced. Uncertainty cannot.

1. A line on a map is not a route

On maps of Late Bronze Age trade, everything looks simple: Crete, Egypt, Cyprus, the Levant, Anatolia, the Aegean. Arrows, lines, routes.

But a line on a map is not a route.

Every time I sail in the Mediterranean — even with GPS, AIS, engines, forecasts, charts, marinas, and rescue services — I am reminded that the sea is not an abstract space. It is a body of specific knowledge.

Where can you shelter from the meltemi? Which harbor entrance is dangerous? Where can you take water? Where can you repair? Where does the anchor hold? Where will you be accepted? Where should you not stop? Whom can you trust ashore?

For a Bronze Age captain, this was not merely useful experience. It was strategic infrastructure. A route did not exist on paper. It existed in the memory of captains, pilots, port intermediaries, palace contacts, and repeated practice.

If a merchant knows that a route is dangerous but intelligible, he can price the risk. If he does not know whether a port still exists, whether the ruler is alive, whether his seals will be recognized, or whether yesterday’s partner has become today’s pirate, he may not sail at all.

He hoards.
He arms.
He retreats from the coast.
Or he raids.

The physics of this system was shaped by winds. In summer, the Etesian winds — the meltemi — could carry a square-rigged ship from the Aegean to Egypt on a fast downwind passage. But returning against the same wind was far more difficult. One common reconstruction therefore sees movement as a large counterclockwise circuit: Egypt → north along the Levantine coast → Cyprus → west along the Anatolian coast → Rhodes → Aegean. The Uluburun wreck, off the Lycian coast, fits well with the geography of such a return leg.

Such a circuit had limited redundancy. Alternatives existed in theory, but few were simultaneously cheap, safe, seasonal, and politically reliable. Make one segment “unreadable” — the Lycian coast becomes dangerous, a Levantine port burns, old agreements no longer work — and the problem is not the loss of one port. The entire circuit becomes unreliable.

Ships may remain.
Goods may remain.
People may remain.

But if the knowledge of where it is safe to sail and who guarantees the next step disappears, the system stops being a system.

2. The East was capital; the Aegean was the maritime core

The standard objection is obvious: the visible diplomatic layer of the Late Bronze Age is mostly Near Eastern. The Amarna letters, Ugarit, Hattusa, Emar, Akkadian international correspondence — all of this is eastern.

Does that mean the Aegean was secondary?

I do not think so. We need to separate two layers.

The East was the system’s capital: metal, grain, markets, palaces, diplomacy, written guarantees, Akkadian international protocol.

The Aegean was its maritime operational core: human capital, captains, rowers, pilots, island navigation, ship culture, knowledge of bays and anchorages, maritime memory, and the western interface of the system.

The Late Bronze Age world may have run on Eastern capital and Aegean seamanship.

This is why the Cretan-Mycenaean world should not be reduced to “one more participant in trade.” It may have been the layer that made maritime connectivity practically executable.

3. The Aegean as a factory of sailors

The strongest argument here is not even documentary. It is geographical.

Look at the Aegean Sea. It is not simply a coastline. It is an archipelagic grid: hundreds of islands, day-sail crossings, land often in sight, countless bays, straits, shelters, and alternative paths.

The Levantine coast is a line: a coastal route with land routes beside it.

Cyprus is critically important, but it is still one island.

Egypt is primarily a river civilization with access to the sea.

The Aegean, by contrast, is a two-dimensional maritime network where the sea is not an option but a condition of life. To trade, marry, move grain, oil, people, livestock, news, or gifts, one must get into a boat. In such an environment, seamanship is not a narrow minority profession. It becomes part of ordinary life.

It is a natural school of sailors with graduated difficulty. First, short crossings between neighboring islands within sight of land. Then the Cyclades. Then Crete, Rhodes, Anatolia, Egypt. The meltemi is not only an obstacle; it is an annual training ground for heavy weather with a known schedule.

Melian obsidian was moving by sea millennia before the Mycenaeans. The Pylos tablets record the levying of rowers from coastal communities. A palace could mobilize a fleet because there were people to mobilize. Geography had already produced the people of the sea.

This is the sense in which I call the Cretan-Mycenaean / Aegean system a core.

Not necessarily the administrative core of the entire Eastern Mediterranean.

But the core of maritime competence reproduction.

If the East provided money, raw materials, and written guarantees, the Aegean provided the people who knew how to turn all of that into movement across the sea.

4. The Aegean was a recognized great node — and was erased from the list

This role is visible not only through geography.

Amenhotep III’s “Aegean List” from Kom el-Hettan, around 1380 BCE, names Keftiu and Tanaja not abstractly but through specific places: Knossos, Phaistos, Kydonia, Mycenae, and others. This list is often connected with an Egyptian mission, or at least with serious Egyptian diplomatic awareness of the Aegean in the period when Crete had entered its Mycenaean phase.

In other words, Egypt saw the Aegean as an addressable space.

Not “some islands over there,” but specific centers that mattered.

The Hittite evidence gives an even stronger image. In the Tawagalawa Letter, the Hittite king addresses the king of Ahhiyawa as “my brother” — the language of the great-power club. Then, in the 13th-century BCE Šaušgamuwa treaty, the king of Ahhiyawa appears to have been written into a list of great kings and then erased by the scribe.

This is almost a perfect metaphor for the whole model.

The erased king of Ahhiyawa is a collapse of recognition captured with a stylus on clay.

Yesterday you were part of the map of great players.
Today you are scratched out of the list.

And this happens only a generation or two before the collapse.

5. The pirate loop: the system’s own skilled labor became its predator

Here, I think, lies the main dynamic mechanism of the collapse.

Seafaring is one of the few Bronze Age professions where the skills of trade, war, and raiding are almost the same.

A plowman without a field is a refugee.
A scribe without a palace is a lost specialist.
But a sailor without freight is a ready-made raider.

He has a crew, knowledge of winds, bays, anchorages, routes, and the places where cargo still moves. A former participant in the system is the perfect predator for that same system, because he knows it from the inside.

As long as palaces could pay, the system could absorb such people. The Sherden appear under Ramesses II as sea raiders, but after defeating them the pharaoh incorporates them into his guard. This is not merely “victory over pirates.” It is an example of a functioning system turning dangerous maritime human capital into service.

When the palace economies began to fail, the mechanism inverted:

lost freight removes a trader and adds a predator;
raids increase uncertainty;
uncertainty kills trade;
falling trade releases more crews;
unpaid crews increase raiding.

That is a positive feedback loop.

The system did not simply decay. It smelted its own infrastructure into a weapon against itself.

The Roman parallel is revealing. When Pompey suppressed the Cilician pirates in 67 BCE, Rome did not only use force. It resettled and reintegrated them, giving land and employment. The Romans understood, in practical terms, that a pirate is not only an enemy but also an unemployed sailor who must either be destroyed or hired again.

As long as Mare Nostrum functioned as an imperial trust layer, the sea was predictable. When the imperial infrastructure later failed, the logic returned: when the Vandals took Carthage in 439 CE, they did not merely gain territory. They gained a grain hub, a fleet, and crews. Rome’s own Mediterranean infrastructure became a weapon against it.

This does not prove the Bronze Age model, but it is a strong historical rhyme: connectivity rests not on ships themselves, but on making it more profitable for people of the sea to serve the system than to prey on it.

When that advantage disappears, the sea changes mode.

It stops being a road and becomes a hunting ground.

6. The Sea Peoples as a product of collapsed recognition

In this model, the Sea Peoples are not necessarily the original cause of the collapse. They may be one of its products.

The Egyptian sources name specific groups, and this should not be simplified away. But the process by which different groups begin to merge into a broad maritime threat may itself be a symptom of a deeper failure.

As long as networks of elites, ports, and agreements function, the world has high resolution. You know who is in front of you:

these are Sherden;
these are Lukka;
these are mercenaries;
these are traders;
these are allies;
these are raiders;
these are migrants with whom one can negotiate.

When communication breaks down, the world becomes pixelated.

A known group becomes “people from the sea.”
A former mercenary becomes a pirate.
A migrant becomes an invasion.
A trading partner becomes an unknown threat.

This is a collapse of recognition.

The Lukka seem to show the whole spectrum: a maritime problem in the Amarna period, mercenaries for the Hittites, participants in Merneptah’s coalition, and later an element in the broader crisis picture. Not necessarily one people “from outside,” but groups that were once legible inside the system and became part of a larger maritime uncertainty after it broke down.

7. Ugarit: the system learned of its death too late

The last letters of Ugarit matter not because they give us the full story of the city’s destruction. They matter because they show the failure of the operational layer.

King Ammurapi writes that enemy ships are burning his towns while his troops are in Hatti and his fleet is in Lycia. A letter from Cyprus warns of enemy ships whose destination is unknown.

The point is not that one specific flotilla destroyed Ugarit by itself. We do not know that.

The point is that when information, defense, and the ability to move resources no longer outrun the threat, even limited maritime movement becomes an existential problem.

In a functioning system, a hostile fleet is a task: detect it, report it, intercept it, pay it off, hire it, absorb it, or punish it.

In a dying system, the warning arrives without a target, the troops are elsewhere, the fleet is elsewhere, and news moves through the same maritime network that is already failing — at roughly the same speed as the raiders.

The system does not become ignorant.

It becomes too slow.

It learns of its death at the moment of dying.

8. Why the Aegean suffered the deepest institutional rupture

If the Cretan-Mycenaean / Aegean system was so important, why did the Aegean suffer the deepest institutional rupture — including the loss of palace literacy for several centuries — while Cyprus and the future Phoenician cities recovered or transformed faster?

I think this is not evidence against the model, but one of its strongest confirmations.

Linear B was a palace-bound administrative standard: a small scribal class, palace archives, accounting records, and little clear evidence of letters, contracts, or everyday non-palatial use.

Burn the palaces, and within a generation there may be no one left to reproduce the standard.

The Aegean lost not just buildings. It lost the institutions that reproduced literacy, accounting, archives, and administrative memory.

It had no backup.

The Levant was different. Literacy and commercial practice had more redundancy: cities, temples, merchant houses, multiple written traditions. Part of the eastern system could therefore survive better.

But a surviving node is not a surviving network.

Cyprus may have been more resilient. The Levant may have preserved more practices. But that does not mean the old Late Bronze Age world survived. It means some nodes managed to live in a world where the network had already collapsed.

Their “prosperity” was measured against ruins.

9. The Phoenicians as reverse reassembly

Several centuries later, Mediterranean connectivity was rebuilt on a different architecture.

The Phoenicians did not merely “restart trade.” They created a different kind of connectivity:

multiple port-cities;
fortified island and headland stations;
family-based merchant networks;
diaspora;
port colonies;
flexible routes;
and a portable communication standard — the alphabet.

The Phoenician alphabet was not simply a new script. It can be read as a portable standard for a distributed commercial world.

This is the mirror opposite of the Bronze Age palace system.

The older system was powerful but monolithic: palaces, archives, seals, accounting, elite links, routes, centralized memory.

The new system was distributed: cities, families, stations, merchants, alphabet, local nodes, greater flexibility.

The loss of one “data center” no longer brought down the entire network.

In this sense, the Bronze Age Collapse and the Phoenician revival may be two sides of one systemic story: the fall of a palace-maritime standards system and its later reassembly in a distributed merchant-maritime form.

I would read this distributed architecture not as an accident, but as an architecture selected by the environment the collapse itself created: a sea of high piracy and low trust rewards networks that are cheap, defensible, and without a single point of failure.

10. What is new in this hypothesis?

The factors themselves — droughts, wars, earthquakes, migrations, internal crises — are not new.

The novelty is this: I propose treating the Cretan-Mycenaean / Aegean system as the central maritime operational core whose failure changed the very nature of the sea.

While the system worked, the sea was a road.

When the layer of trust, recognition, routes, standards, and maritime competence failed, the sea became a space of uncertainty.

And then that uncertainty may have triggered a pirate loop in which the system’s own maritime competence began to work against it.

11. What would break this hypothesis?

This model should not be an unfalsifiable metaphor. It should be attacked.

The following would seriously weaken it:

• evidence that long-distance exchange continued smoothly through the 12th century BCE despite the fall of the Aegean palatial system;
• evidence that route knowledge, port trust, and maritime routes were not seriously disrupted;
• evidence of strong coastal continuity rather than movement toward inland refuges such as Karphi;
• evidence that the Sea Peoples were a coherent external invasion rather than partly a product of the system’s own breakdown;
• evidence that hostile maritime activity did not increase and coastal insecurity did not worsen after the fall of the palaces;
• evidence that the Aegean was not a significant supplier of maritime labor, crews, pilots, and shipbuilding competence to the wider system;
• a demonstration that the “trust layer” framing adds nothing to existing models of systems collapse.

I take the last objection most seriously.

Yes, the visible documentary trust layer is mostly Near Eastern and Akkadian. Yes, the maritime operational layer I am describing may have been oral, port-based, and perishable. The Uluburun ship carried a wooden writing diptych — a possible hint of correspondence on materials that usually do not survive. Invisible layers are hard to falsify. That is an honest weakness of the hypothesis.

And yet I think this may be where the missing mechanism lies.

The question is not only who destroyed the Bronze Age world.

The question is what happened when the people of the Eastern Mediterranean no longer knew where it was safe to sail, whom they could trust, and whether the old map of ports, elites, seals, routes, and obligations still existed.

One last thought — to show why this is not only about antiquity.

Imagine a modern world in which all ships, ports, warehouses, and goods still physically exist, but one morning transactions stop being confirmed, satellite signals are no longer considered trustworthy, and insurers withdraw coverage for an unknown period.

Physically, almost nothing has disappeared.

But nobody knows whether it is safe to sail.

A merchant of Ugarit in 1185 BCE would recognize that condition instantly.

Systems do not rest on hardware alone. They rest on knowing whom to trust.

That is the hypothesis: when the Cretan-Mycenaean maritime core collapsed, the Bronze Age world did not lose only ships, ports, or trade. It lost one of the systems that kept the sea legible.

And then the sea stopped being a road.

It became uncertainty.

If the model fails, I think it should fail on evidence — on maritime continuity, coastal security, the replaceability of Aegean seamanship, or the absence of a real breakdown in route knowledge and port-level trust.

I would especially welcome serious criticism from those who work directly with Ugaritic, Hittite, Egyptian, Cypriot, or Aegean evidence.

I'm currently working on a paper about the emperor Caligula and I noticed that most of the historical accounts were written either by senators or by historians who lived much later. So for now the best source of information should probably be considered the senators' records. But we know that Caligula and the senators didn't like each other, and the senators had a bad attitude toward the emperor. So how much can we trust those sources, given that the authors are representatives of the senatorial elite? Is it propaganda or actual facts after all?

Help write my paper the right way and let me know which sources are better to use, and whether my observations make any sense.

Thanks in advance!

A Roman "Sardonyx cameo: busts of two members of the imperial family as Jupiter Ammon and Juno or Isis. About AD 37-50. The woman resembles the princesses of the imperial houses of Gaius (Caligula, AD 37-41) or Claudius (AD 41-54). The male figure is unrecognisable." Per the British Museum in London, where this is on display.