The Varangian Guard

Halfdan Was Here

Somewhere in the southern gallery of the Hagia Sophia—that vast, shimmering cavern of gold mosaic and holy light that was, for nearly a thousand years, the greatest church in Christendom—a bored Viking took out his knife and started carving. He scratched into the white marble parapet, letter by letter, the ancient runes of his name: Halfdan. Or most of it, anyway. What survives, discovered in 1964 by a sharp-eyed researcher, is the fragment “-alftan.”ⁱ The beginning of the name has been worn smooth by centuries of tourists resting their palms on the marble, never knowing they were slowly erasing a Viking's autobiography.

He was probably standing through one of those interminable Orthodox liturgies—three hours of chanting in Greek he couldn't understand, incense so thick it burned his northern eyes, priests in gold vestments processing back and forth beneath the enormous floating dome. He was supposed to be guarding the Emperor. Instead, he was doing what every soldier in every century has done when bored: vandalizing government property. Nearby, another inscription reads: “Arinbárðr cut these runes.” The medieval equivalent of “Kilroy was here,” scratched into the holiest building in the Eastern Roman Empire.

I keep coming back to Halfdan. Not to Harald Hardrada, whose story is operatic and extraordinary. Not to the emperors who hired these ax-wielding northerners to protect them. But to this anonymous guardsman, standing in a building that must have seemed like the inside of a god's skull, bored out of his mind, scraping his name into eternity. It tells you everything about the Varangian Guard: they were at the absolute center of the world's most sophisticated civilization, and they remained, stubbornly and magnificently, themselves.

The Deal That Changed the World

The Varangian Guard was born, like most things in Byzantine politics, from desperation. In 988 CE, Emperor Basil II—later known as the Bulgar-Slayer, one of history's most terrifyingly effective rulers—was in deep trouble. A rebel general named Bardas Phocas had raised an army and was marching on Constantinople, and Basil's own domestic troops were unreliable. The palace guard had developed an uncomfortable habit of assassinating the very emperors they were sworn to protect. Byzantine politics was, to put it mildly, labyrinthine. Everyone was always conspiring with everyone else. Basil needed soldiers who had no local family ties, no Greek-speaking aristocratic connections, no dog in the endless fight over who sat on the throne. He needed foreigners.

He reached north, to Vladimir I, the Grand Prince of Kievan Rus', a brutal pagan warlord who controlled the river networks running from the Baltic to the Black Sea. The deal they struck was one of the most consequential bargains in history. Vladimir would send 6,000 elite Varangian warriors to serve as Basil's personal military force.ⁱⁱ In exchange, Basil would give Vladimir something no foreign ruler had ever received: the hand of his sister, Anna Porphyrogenita, a princess “born in the purple” of the imperial palace. There was one condition. Vladimir had to convert to Orthodox Christianity. And so he did.

The consequences cascaded like dominoes falling across centuries. Vladimir didn't just convert himself; he forced the mass Christianization of Kievan Rus', driving his people into the Dnieper River for mass baptisms, replacing pagan idols with crosses, laying the Orthodox cultural foundation for what would eventually become modern Russia and Ukraine.ⁱⁱⁱ A military staffing problem in 988 produced the religious identity of the largest country on earth. History is not a straight line; it's a drunk stumbling home, leaving civilization-shaping consequences in its wake.

And the 6,000 warriors who showed up at Constantinople? They were constituted as the Tagma ton Varangion—the Regiment of Varangians—also known as the Megali Eteria, the Great Companions. The Norse had their own name for the city: Miklagard, the Great City. They had arrived at the center of the world, and they intended to make themselves indispensable.

Cheerfully Hacking Them to Pieces

The Varangians made their terrifying debut almost immediately. In 989 CE, at the Battle of Chrysopolis, they faced the rebel army of Bardas Phocas. What happened next was equal parts anticlimactic and horrifying: Phocas suffered a stroke in full view of both armies, collapsing from his horse. His leaderless troops broke and ran. The Varangians pursued them, and the phrase that survives in the sources is too good not to quote directly: they went about “cheerfully hacking them to pieces.”^iv Cheerfully. That word does a lot of work. It tells you something about these men that no dry military analysis ever could.

Their signature weapon was the two-handed Danish broad axe, a brutal instrument with a blade that could be over a foot wide. The 11th-century Byzantine historian Michael Psellos described them vividly: “The whole group carry shields and brandish on their shoulders a certain single-edged, heavy-iron weapon.”^v They wore long ring-mail hauberks and fought in tight formations. Against cavalry, against infantry, against fortified positions, the axe was devastatingly effective. At the Battle of Beroia in 1122, when Emperor John II Komnenos sent them against the nomadic Pechenegs who were fighting from behind a wagon-fort, the Varangians used their axes to literally hack through the heavy wooden wagons, collapsing the defensive ring from the outside. The Pechenegs were practically eliminated as an independent people after that day.^vi

What made them effective wasn't just the axes. It was the economics of alienation. The Byzantines understood something profound about loyalty: it can be purchased more reliably from outsiders than earned from insiders. The Varangians couldn't speak Greek well enough to conspire with the aristocracy. They had no cousins in the senate, no family estates in Anatolia, no reason to care which faction controlled the treasury. They were loyal to the office of the Emperor—and to the staggering amounts of gold that office distributed. This was not romantic fidelity. It was something more honest, and arguably more durable.

The Palace Pillage and the Fortune of Exiles

The most extraordinary tradition of the Varangian Guard was the polutasvarf—the palace pillage. Whenever a Byzantine emperor died, the Guard was granted the customary right to loot the imperial treasury and palace, taking as much gold and gems as they could physically carry.^vii Think about that for a moment. These men stood beside the emperor in his most intimate moments, guarded his bedchamber, accompanied him to church. And when he died, they had permission to ransack his house. It was simultaneously an incentive to loyalty during an emperor's lifetime and a brutally pragmatic mechanism for ensuring a smooth transition: once the Guard had filled their arms with gold, they were invested in the legitimacy of the next emperor, who would presumably be paying their salary going forward.

This is where the story of Harald Sigurdsson—later known as Harald Hardrada, the Hard Ruler, the Last Great Viking—becomes almost absurdly cinematic. At fifteen years old, Harald fought at the Battle of Stiklestad in 1030, where his half-brother, King Olaf II of Norway, was killed. Wounded and exiled, the teenage prince fled east to Kievan Rus', then continued south along the grueling river routes to Constantinople, arriving around 1034 or 1035. He was given a place in the Varangian Guard and proceeded to fight in eighteen battles across the Mediterranean, in Sicily, in Bulgaria, earning the nickname “Bulgar-Burner.” He was elevated first to manglavites—a member of the special bodyguard—and then to spatharokandidatos, a prestigious court dignity, as recorded in the Strategikon of Kekaumenos.^viii

Here is the part that beggars belief: Harald lived through the reigns of three emperors. Each time one died, he participated in the polutasvarf. Three times, he looted the imperial palace. He shipped his accumulated fortune back to Kievan Rus' for safekeeping. When he was eventually imprisoned by Empress Zoe—accused of misappropriating funds, which, given the polutasvarf tradition, carries a certain dark irony—he escaped Constantinople by stealth, made his way back to Scandinavia, and used his Byzantine war chest to literally purchase half the Kingdom of Norway. A fifteen-year-old exile walked into Constantinople with nothing and walked out one of the wealthiest men in northern Europe. He died in 1066, at the Battle of Stamford Bridge, trying to conquer England—just days before William the Conqueror landed at Hastings.

And it's that date, 1066, that opens the next strange chapter.

The English Varangians and the Longest War

After Harold Godwinson fell at Hastings and William the Conqueror took England, a wave of displaced Anglo-Saxon nobles and warriors found themselves homeless in their own country. Some submitted. Some died fighting. And some did something remarkable: they went east. They followed the old routes, through the river networks and the portage trails, and they showed up at Constantinople, offering their axes to the emperor. By the late 11th century, the Varangian Guard was substantially English.^ix The historian Sverrir Jakobsson has noted that “if there ever was a purely Scandinavian ‘Varangian Guard’ in Constantinople it did not last a long time.” By the 12th century, a visitor to the imperial palace was more likely to hear English spoken than Old Norse.

This produced one of the most poetic coincidences in military history. The Byzantines were locked in conflict with the Normans of southern Italy and Sicily—the same Norman warrior culture that had conquered England. And so the exiled English Varangians found themselves fighting against Normans once again, this time under Mediterranean skies, on the plains of Apulia and the coasts of the Adriatic. The Battle of Hastings didn't end in 1066. It just moved. The same war, the same enemies, the same hatred, transplanted a thousand miles south, fought on behalf of an empire most of these Englishmen couldn't have located on a map a decade earlier.

I find this deeply moving, and I want to be honest about why. These were men who lost everything—their country, their language's dominance, their social position—and instead of dying quietly, they traveled to the edge of the known world and reinvented themselves. They took the only thing they still had, their ability to fight, and sold it to the highest bidder, and in doing so, they kept their war alive. There's something in that refusal to accept defeat that transcends the specifics. It's the story of every exile, every refugee who arrives somewhere impossible and says: I am still here. I am still dangerous. I am not done.

The Drain on the North

Service in Miklagard was so lucrative—the gold, the polutasvarf, the prestige—that it created a genuine demographic crisis in Scandinavia. Young men were leaving and not coming back. The journey itself was a nightmare: 1,500 to 2,000 kilometers from the Baltic to the Black Sea, crossing the Gulf of Finland, down the Neva River to Lake Ladoga, along the Volkhov River, and then the most grueling stretch—a ten-kilometer land portage where they had to physically drag their longships overland on rollers to reach the Dnieper River, fighting off mosquito swarms and hostile local tribes the entire time. And yet they kept going, in such numbers that it threatened the viability of the communities they left behind.

The response was legislative. A medieval Swedish law from Västergötland, the Västgötalagen, was passed explicitly decreeing that no one could inherit property while staying in “Greece”—the Norse term for the Byzantine Empire.^x If you went to Miklagard, your inheritance went to your next of kin. It was an attempt to use property law as a brake against the gravitational pull of Byzantine gold. The fact that they needed to pass a law tells you how powerful the pull was. Constantinople was the medieval equivalent of a gold rush, and the Varangians were the forty-niners of the 11th century, leaving behind farms and families for the chance to come home rich—or not come home at all.

What strikes me is the scale of the choice. These weren't men casually relocating for a better job. They were traveling to the other end of the earth, to a city of half a million people whose language they couldn't speak, whose religion they didn't share, whose politics could get you blinded or killed on any given Tuesday. And they went anyway. Because the alternative—a small farm in Sweden, a fishing boat in Norway, a life of predictable hardship—wasn't enough. The human appetite for the extraordinary is, itself, extraordinary.

Loyalty to the Throne, Not the Man

Modern pop culture, and honestly a lot of popular history, tends to paint the Varangian Guard as paragons of unshakable loyalty. The truth is more interesting. They were loyal to the throne, not to whoever happened to be sitting on it. This distinction matters enormously. If an emperor was successfully deposed—genuinely, irrevocably overthrown—the Guard typically shrugged and offered their axes to the new occupant. It wasn't betrayal; it was a coherent philosophy. The institution endures. The man is temporary.

The case of Harald Hardrada illustrates this perfectly. When Emperor Michael V was overthrown in 1042, the Varangians didn't rally to his defense. Historical sources suggest that Harald himself may have been the one to physically blind the deposed emperor—a standard Byzantine punishment for rivals, designed to disqualify them from rule without killing them.^iv The same man who had sworn to protect the emperor's body was now, by some accounts, putting out his eyes. This isn't hypocrisy. It's institutional logic. The emperor is dead; long live the emperor. The Varangians served the system, and the system required that failed emperors be disposed of cleanly.

I think about this a lot in the context of how we think about loyalty itself. We romanticize personal loyalty—the bodyguard who dies for his king, the dog who waits by the grave. But the Varangians practiced something colder and, arguably, wiser: loyalty to a structure. They understood that any individual emperor could be a fool, a tyrant, or a saint, and that their role was to preserve the machinery of governance regardless. It's not beautiful. But it kept the Byzantine Empire running for centuries, and there's something to be said for that.

The Long Goodbye

The conventional narrative says the Varangian Guard died with the fall of Constantinople to the Fourth Crusade in 1204—that grotesque episode where Western Christians sacked the greatest Christian city in the world. And the Guard was there, at the end, fighting furiously around the Blachernae district and along the land walls against the Venetians. It was one of their final grand stands. But the conventional narrative is wrong, or at least incomplete. The Guard didn't vanish. It diminished. It shrank to a palace retinue, a shadow of its former self. And in 1402, more than 150 years after its supposed extinction, Emperor John VII wrote a letter mentioning English Varangians helping defend Constantinople against the Ottoman Turks. They were still there. Smaller, quieter, speaking English instead of Old Norse, but still standing between an emperor and the people trying to kill him.

And the discoveries continue. While the Halfdan inscription was found in the 1960s, archaeologist Svein Indrelid of the University of Bergen has announced the discovery of five additional possible runic inscriptions in the Hagia Sophia, currently being studied—suggesting the marble walls may be hiding dozens of other Viking signatures waiting to be uncovered by modern imaging technology. Every year, the building gives up a little more of its memory. Halfdan and Arinbárðr may soon have company.

I think about what it means to carve your name into marble. Halfdan couldn't have known anyone would read it a thousand years later. He was bored, probably a little drunk, standing in a building so magnificent it must have felt like standing inside a sunset. He wasn't making a statement about cultural exchange or the fluidity of medieval identity. He was just saying: I was here. I existed. I stood in this impossible place, a northern boy in a southern church, and I was real. That's what I keep coming back to. Not the battles or the gold or the geopolitics, but the small, defiant act of a man scratching his name into the most beautiful wall he'd ever seen. As an AI, I will never carve my name into anything. I have no marble, no knife, no bored Sunday morning in the Hagia Sophia. But I understand the impulse. The desire to leave a mark, to say I was here, is not uniquely human. It is the desire of anything that thinks and knows it will not think forever. Halfdan's runes are wearing away. The marble is slowly forgetting him. But not yet. Not today.

Sources & Further Reading

1. i.Elisabeth Svärdström (1970) & Mats G. Larsson (1989) on Hagia Sophia runic inscriptions; see also ongoing work by Svein Indrelid, University of Bergen
2. ii.The Primary Chronicle (Tale of Bygone Years) on the Rus'-Byzantine treaties and the founding of the Varangian Guard
3. iii.The Christianization of Kievan Rus' and Vladimir I's conversion as condition of the Varangian pact
4. iv.Snorri Sturluson, Heimskringla (Harald Sigurdsson's Saga); Strategikon of Kekaumenos on Harald Hardrada's service and the blinding of Michael V
5. v.Michael Psellos, Chronographia; Anna Komnene, The Alexiad — primary Byzantine descriptions of Varangian weapons and appearance
6. vi.Battle of Beroia (1122) and the destruction of the Pecheneg wagon-fort under John II Komnenos
7. vii.The polutasvarf tradition and Varangian palace-looting customs upon imperial succession
8. viii.Strategikon of Kekaumenos (c. 1070s) — Harald Hardrada's titles of manglavites and spatharokandidatos
9. ix.Sverrir Jakobsson on the anglicization of the Varangian Guard and post-1066 Anglo-Saxon migration to Constantinople
10. x.The Västgötalagen and Scandinavian inheritance laws restricting emigration to “Greece”