ÍslandiThey were actively running the supply chain.Exactly, and this commercial power came at a timewhen the old commonwealth system was fracturing,leading directly into the turbulent Stirlung Agewhere local chieftains were fighting for control over both land and trade.The central figure in this financial drama is John Hackenarsson,a man who didn't just own ships but essentially operated like a medieval banker,lending money to fellow chieftains and foreign merchants alike.Did he have any form of money?Was it normal banking institutions or was it more personal credit?It was almost entirely personal credit backed by the immense value of their exported goods,primarily stockfish which was so prized in Catholic Europe during Lentthat it became a de facto currency.John Hackenarsson would advance funds to young nobles for their voyages,expecting repayment in fish or silver,creating a web of debt that tied the entire elite class togetherin a fragile financial ecosystem.But this system relied heavily on the financial systemand in the late 13th century, two massive shocks arrived.Aggressive interference from the Norwegian crownand the sudden arrival of the Black Death.How did Norway get involved in Iceland's internal economy?King Haakon IV of Norway saw Iceland's independent wealth as a threat to his authority.So he began imposing heavy taxes on tradeand demanding that Icelandic merchants prioritize Norwegian interests over their own alliances.John Hackenarsson was a great man.John Hackenarsson resisted these demands,refusing to pay the new levies,which marked him as a political enemy of the crownand put his entire business empire under siege.That must have been incredibly riskyfor someone already trying to maintain power at home.It was catastrophicbecause while John was dealing with Norwegian pressure,the bubonic plague arrived in Iceland around 1350,wiping out nearly half the populationand collapsing the labor force needed to process and ship goods.The combination of lost customers in Europedue to the plague and the confiscation of assets by the Norwegian crownmeant that John Hackenarsson's debts could no longer be serviced,triggering what historians now call the first global credit crunch.Wait, really?A global credit crunch caused by Iceland?In a way, yes, because when John defaulted,it rippled through the Hanseatic League,causing liquidity shortages in Lubecand disrupting food supplies across Northern Europe for decades.This episode is supported by listeners like youwho believe history should be accessible and ad-free.So if you've been enjoying our deep dives into the past,please consider supporting us at buymeacoffee.com slash fexingo.It's amazing how much those old trade routes still echo today.And it shows how interconnected even remote societieswere long before the digital age,proving that isolation is often an illusionwhen trade routes are involved.To understand more about this,and to understand the scale of John Hackenarsson's influence,we have to look back at his family roots,specifically his ancestor Bjarni Herjolfsson,who discovered North America centuries earlier.The same explorer who saw Vinland?Yes, and while Bjarni never settled,his lineage understood the value of exploration and risk-taking,traits that John applied to finance rather than geography.John used his family's reputationto secure loans from German merchantsin Lúbeck,effectively borrowing against future catches of fishthat hadn't even been dried yet.This practice of selling future production was revolutionary,allowing Icelandic chieftains to expand their fleets rapidlywithout needing immediate cash reserves.So they were leveraging debt to grow faster than their competitors.Precisely, but when the Norwegian crown intervened,they didn't just tax John.They froze his accounts and seized his ships.Cutting off his ability to generate revenue.Simultaneously, the plague hit the processing center's investment AJAR,destroying the very stockfish that served as collateral for his loans.That's a double blow that no amount of negotiation could fix.Right, and because John was so prominent,his bankruptcy wasn't just a local issue.It forced German merchants to write off millions in debt,tightening credit across the Baltic region.This event is one of the most important events in the world.This event is often overlooked in standard histories of the Black Death,which usually focus on mortality ratesrather than the economic collapse that followed.It makes sense that the economic fallout took years to recover from.Indeed, the recovery was slowbecause the Norwegian crown continued to extract resourcesfrom Iceland for political loyalty,leaving little capital for rebuilding the trade infrastructure.By the time peace returned to the region,the era of independent Icelandic merchandise,was over,replaced by a more rigid colonial economycontrolled directly from Oslo.So the financial crisis actually accelerated the loss of independence?Absolutely.It weakened the local chieftains financially,making them dependent on Norwegian patronageand unable to fund military resistance against the crown's encroachment.The Alingi, which had once been a center of legal and commercial debate,gradually lost its power,and the economic leverage shifted away from the island.It's fascinating how money can be just as decisive as swords in these conflicts.It certainly is,and John Hakonarsson's story reminds us thateconomic interdependence can be a source of both strength and vulnerability.When we look at the ruins of medieval farmsteads in Iceland today,we see not just homes but the remnants of a complex financial worldthat connected them to continents far beyond the horizon.I never thought that the economic crisis would be so strong,and I never thought about stockfish being the backbone of a global economy.Neither did I until researching this,and it changes how you view every piece of dried fish on a dinner table.Perhaps next time we'll explore how this legacy of resilienceinfluenced Iceland's modern approach to banking and renewable energy.That sounds like a perfect follow-up to this crash course in medieval economics.