Picture a Viking. You've probably conjured the horns, the grime, and the nonstop pillaging — and all three are due for a correction. The real Norse were tidier, better traveled, and frankly better at branding than a millennium of costume parties suggests. Three rounds follow, escalating from opera to archaeology. Say each answer out loud before the reveal, keep score, and prepare to blame Wagner.

Round One: The Costume Department

Start with the big one. Did Vikings wear horned helmets into battle? Lock it in. The answer is no — and the evidence is almost embarrassingly one-sided. The only substantially complete helmet ever recovered from the Viking Age, dug from a burial mound at Gjermundbu in Norway, is a plain iron cap without a horn in sight. Practicality agrees with archaeology: horns add weight, catch blades, and hand your enemy two convenient levers attached to your skull. So where did the image come from? The opera. In the 1870s, costume designer Carl Emil Doepler put horned helmets on the singers in Wagner's Ring cycle, and the look proved so irresistible it swallowed an entire civilization. Every horned Viking on a greeting card is cosplaying a German stage production.

Next: what did the word "viking" actually mean? It wasn't an ethnicity — it was closer to a job description. In Old Norse, to go "í víking" was to go raiding; a víkingr was someone off on such an expedition. Most Norse people never went. They farmed, fished, traded, and stayed home — which means "Viking" describes a gig, and a part-time one at that.

Now the hygiene check. Were Vikings the filthy barbarians of legend? Quite the opposite, by the standards of their day. Norse graves are stuffed with grooming kits — combs above all, plus tweezers, razors, even ear spoons — and the Old Norse word for Saturday, laugardagr, literally means "washing day": a scheduled weekly bath, centuries before that habit caught on across most of Europe. One later English chronicler grumbled that the Danes' combed hair and regular bathing were helping them charm Englishwomen. The raiders, it turns out, were the presentable ones.

Round Two: The Travel Round

Difficulty rising. Which Europeans reached North America first — and how do we know? Lock it in. The credit goes to Leif Erikson and his crews around the year 1000, roughly five centuries before Columbus. And this isn't saga romance: in 1960, excavators uncovered a genuine Norse settlement at L'Anse aux Meadows in Newfoundland. The dating has recently become absurdly precise — by matching tree rings to a known cosmic-ray event of 993, researchers showed Norse axes were felling trees there in exactly 1021. We know the year Vikings were chopping wood in Canada, a millennium later, to the ring.

How did Greenland — an island mostly buried under ice — get that name? The sagas are cheerfully upfront about it: Erik the Red, exiled from Iceland after a deadly feud, called his discovery Greenland because an appealing name would attract settlers. It worked. History's first documented real-estate spin campaign was run from an open boat in the North Atlantic.

Now east, where the popular imagination rarely follows. Which modern capital city began as a Viking settlement? Dublin — established in the 840s as a fortified ship camp on the Liffey. And the Norse reach ran far beyond Ireland: Scandinavian warriors served the Byzantine emperors in Constantinople as the elite Varangian Guard, and at least one left proof in the most Viking way imaginable — runic graffiti scratched into the marble of Hagia Sophia, reading, in essence, "Halfdan carved these runes."

Round Three: The Legacy Round

Hardest round, closest to home. Iceland's national assembly, the Althing, was founded around the year 930 — what's its claim to fame today? It's routinely cited as the oldest surviving parliament in the world. The people remembered mainly for smashing things also built one of history's most durable institutions for talking instead.

You also speak more Old Norse than you think. "Window" comes from vindauga — literally "wind-eye." "Sky," "egg," "knife," and "husband" all rode in on longships too, along with "berserk," from the berserkers, warriors said to fight in a howling trance. Every time someone goes berserk near a window, English is quietly reenacting the ninth century.

Now the one hiding in your pocket. Bluetooth — the wireless standard — is named after whom? Lock it in. Harald "Bluetooth" Gormsson, the 10th-century king who united the squabbling Danes (and, for a time, Norway) under one crown. The engineers who christened the technology liked the parallel: one standard uniting squabbling devices. Better still, the Bluetooth logo is Harald's monogram — the runes for H and B fused together. A Viking king's initials are glowing in your phone's settings right now.

Last question. When did the Viking Age end? The traditional bookends run from the raid on Lindisfarne in 793 to the year 1066, when England's King Harold crushed the Norwegian king Harald Hardrada at Stamford Bridge. But here's the twist to close on: three weeks later, Harold was beaten at Hastings by William of Normandy — duke of a province founded by, and named for, the Northmen, and a direct descendant of the Viking chieftain Rollo. The Viking Age ended twice that autumn, and you could argue the Vikings won the rematch.

Tally it up. If you called the opera helmets, the 1021 tree rings, and the royal monogram in your settings menu, award yourself a full drinking horn — plain helmet optional, bath on Saturday.