Nowadays it is difficult to think of anything other than being able to communicate with anyone instantly, no matter how far away they are. As a millennial, I have lived in the era when sending messages continuously was not common: SMS was not free and forced you to economize on language. And of course, before there were telephone calls, the reception of which today causes fear among youth. We can go back in time to the telegraph or the imperial postal networks and even the discreet carrier pigeons, which have been helping humanity communicate from the ancient Sumerian and Egyptian civilizations.
A recent post from the historian and professor of history at the University of Central Florida Tiffany Earley-Spadoni published within a volume on global perspectives of warscapes brings to the fore the first telecommunications network documented both textually and archaeologically 3,800 years ago: a system of beacons to launch an SOS.
The discovery. A cuneiform chart excavated at Mari, eastern Syria, dating to 1800 BC is the oldest known historical evidence of signaling using fiery beacons. But we also know what he said: an official named Bannum writes to the king while traveling to the north of the region with concern after observing the successive lighting of bonfires near Terqa and requests reinforcements.
That lighting was not accidental: it was a signal of imminent danger on the border, an early warning system for possible attacks on their cities. Early-Spadoni refers to this system as a “fortified regional network,” or FRN for short.
A little context. This documentation is framed within the Syrian Middle Bronze Age, a territory of cities – states in constant conflict. Taking the city meant dealing a blow to the rival and keeping its wealth, hence the siege was the star attack.
But conquering a territory was much easier than administering it. Thus, these states had great ambitions, but lacked the infrastructure to govern themselves from a distance. So to better defend themselves and control the territories they used two systems: large walls surrounding the cities and a network of forts, towers and guarded roads in rural areas. This second structure is the seed of the development of empires.
Why is it important. Bannum’s letter is the oldest known historical testimony of the use of an intentionally designed telecommunications network with shared infrastructure, nodes, and protocol. Do not confuse with communication methods, since smoke or drums are prehistoric and undatable.
But it is also key for civilizations insofar as it allowed us to go from “presumptive states” (which conquers territories it cannot govern) to develop real and lasting territorial empires: without this infrastructure of communication and control, the size of the empires would have been simply ungovernable.
How it worked. With a physical structure made up of fortresses, forts, watchtowers and wall segments and with an operation protocol. It essentially served to control routes, resupply military personnel, transmit information and track movements in the territory.
- The physical hierarchy of its infrastructure was distributed along roads and river crossings spaced at regular intervals of about 20 kilometers to ensure visibility between nodes. The large fortresses were the main nodes with smaller forts between them, with watchtowers for signaling to reinforce points that were difficult to see and segments of walls in strategic areas.
- The system operated continuously: with smoke during the day, fire at night, and had permanent reserves of wood. Each signal was known by all the nodes, so that when a beacon, the signal traveled through the nodes until it reached the center in a relatively short time. Speed was its great asset and its handicap was how limited it was: it could only transmit simple messages.
The early “internet”. Comparing it with the current Internet is not just a rhetorical question: FRNs share with the Internet several of its principles, such as distributed nodes, redundancy to avoid failures, protocols agreed in advance and a topology to maximize connectivity between distant points.
A before and after to build empires. This system did not disappear with Mari. For more than a thousand years, each new empire that emerged in the Near East encountered these networks, recognized them as a valuable structure, and implemented them to suit their needs. The Neo-Assyrian integrated them into walled cities and in parallel developed a horse relay system for more complex and confidential messages, impossible to transmit with the original infrastructure. The Urartian Empire made them the organizing principle of an entire empire.
And the Persian Empire took the model to its maximum expression with the royal road that Herodotus describes in his Histories: forts at regular intervals, relay of messages and archaeologically confirmed fire beacons in Anatolia. Earley-Spadoni’s conclusion is that without these infrastructures, the largest empires of the ancient world would not have been able to manage themselves.
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