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Newfoundland, Canada, 1960.
On the shore of a bay in the north of the island, a man walking through the grass stops short. The ground swells into mounds too regular to be natural. He digs.
Under the turf: the walls of houses, a forge, a bronze pin. Radiocarbon dating settles it. Vikings lived here. Europeans set foot in the Americas nearly five centuries before Christopher Columbus.
After them, nothing. The memory of their crossing survives in a handful of tales from Northern Europe, then fades. These men had crossed the ocean in open boats. The kingdoms of Europe, with fleets many times larger, wait centuries before they try the same voyage.
Why the long wait? And then why, all at once, the rush toward the Atlantic? The usual answer is wrong. The story starts on a dock in Genoa.
The Edge of the Parchment
Genoa, 1474. Along the docks, porters roll barrels up the gangways and haul coils of rope and bales of wool aboard, everything bound for the East. Off to one side, a young sailor of about twenty sits waiting his turn to board.
A sea chart lies open on his knees, a parchment worn at the folds. The coastlines run in one unbroken line, with the names of the ports lettered along them. He is a weaver's son, and he has sailed for the merchants of Genoa since he was a boy. He puts his finger on his hometown, and the finger starts to move.
First it traces what the sailor knows by heart: the Mediterranean from shore to shore, Greece and its islands, the strait that opens onto the Black Sea, then down again to the coast of Egypt. Genoa and Venice have traded along these shores for centuries. The finger follows them without a pause.
Then the line stops. Asia begins at the edge of the parchment: India, China, lands Europe knows only through the goods that reach its docks and through the book of Marco Polo, a Venetian merchant who came home from China nearly two centuries earlier. Scholars copy the maps of Ptolemy, a Greek geographer of antiquity, and on those maps the Indian Ocean is an enclosed sea, with no way around Africa.
The finger moves down the coast of Africa. Past Morocco, the coastline plunges south and trails off. To the west, the ocean and the Canary Islands, then blank space to the margin. Two continents wait on that side, North America and South America. Beyond them: another ocean, the Pacific, then Australia, then the ice of the South Pole. No map in Europe shows even a hint of any of these coastlines.
So the finger swings back east, past the last drawn coastline and off the parchment altogether, into the white space where no sea chart goes. At the far end of Asia lies Cipango, Japan, Marco Polo's island, the one whose king lives in a palace covered in pure gold. The sailor has dreamed of it since childhood. His finger rests there, in the void, for a long time.
An order rings out from the deck of the ship bound for Chios. The folded chart disappears under his shirt, and the sailor climbs aboard. His name is Christopher Columbus.
Two Pounds a Day
Chios, in the Aegean, has belonged to Genoa for more than a century, and the ship sails due east toward it with young Columbus among the crew. The Genoese come to buy mastic, a resin found nowhere else on earth. But their fortune, like Venice's, is made much farther away, on what Asia sends and all of Europe fights over: pepper from India, cinnamon, silk from China, and nutmeg and cloves, which grow only on a handful of islands in what is now Indonesia.
The rich scent their dishes with these spices, doctors mix them into remedies, and a well-spiced table announces rank. The household of a single great English lord goes through about two pounds of spice a day.
All of it comes from far away, by two roads. A sack of pepper leaves India on an Indian or Arab ship, crosses the Indian Ocean, and sails up the Red Sea. It crosses Egypt, ruled by the Mamluk sultans, floats down the Nile, and at Alexandria the Venetian galleys are waiting at the dock.
Silk goes overland. Caravans set out from China and cross the whole of Asia to the Black Sea, where Genoa keeps its trading posts, and from there everything travels down to Constantinople, the city that controls the passage from the Black Sea into the Mediterranean.
At every stop along the way, a merchant buys, sells, and keeps his cut. By the time the pepper finally reaches the docks of Venice or Genoa, it sells for several times what it cost at the start.
The Coast Across the Water
The voyage ends at Chios. Columbus stands on deck. A few miles away, across a strip of sea, lies the far shore: Anatolia, in what is now Turkey. It is Ottoman. To keep their island, the Genoese of Chios pay the Ottoman sultan a yearly tribute. In a single generation, much of the coastline the sailor's finger traced back in Genoa has changed hands.
A century and a half earlier, the Ottomans held only a small Turkish and Muslim principality in the northwest of Anatolia. Within a century they had crossed into Europe, conquered the Balkans, and surrounded Constantinople. For more than 1,000 years, that city had been the capital of the Eastern Roman Empire, for much of that time the largest city in Christendom, and everything moving from the Black Sea toward the Mediterranean had to pass beneath its walls. In 1453, Mehmed II, a 21-year-old sultan, took it and made it his capital.
Since then, the Ottomans have advanced island by island and port by port, and Genoa's trading posts on the Black Sea are under threat. The young Genoese dreams of Marco Polo's Asia, but the eastern road to Cipango now runs through the sultan's lands. In Genoa, merchants, sailors, and bankers begin to look west, toward Portugal and its ports, and toward Castile, the great kingdom in the center of Spain.
This is where the story in the textbooks comes from. Constantinople falls, and with it the spice route closes. Goods from Asia now pay the Ottomans a toll, prices soar, and Europe, cut off from Asia, has nowhere left to look for a new route but the Atlantic.
The Price of Pepper in Venice
This story has a problem, and the problem is a date. When Constantinople falls, the Portuguese have already been out on the Atlantic for 38 years.
And what passed through Constantinople was mostly goods from the Black Sea region: wheat, salt fish, furs, slaves, plus the silk that came overland. That road had been declining for a century already. The Black Death had traveled it end to end, and the caravans had lost the protection of the Mongol Empire, which had splintered into rival kingdoms.
Spices almost never come that way. Their route runs up the Red Sea and across Egypt, Mamluk land, not Ottoman. And once Constantinople has fallen, the Venetian galleys keep loading them at Alexandria, exactly as before.
As for their price, it does not soar. Over the course of the century, on the Venetian market, pepper slides, losing more than a third of its value.
So it was not the fall of Constantinople that pushed Europeans toward the Atlantic.
What the textbooks don’t tell you:
Why Spain found America, and not Portugal.
Whether Columbus believed the Earth was flat.
Whether Columbus knew he was not in the Indies.
The written ban Columbus received before he sailed.
The real reason Europe turned toward the Atlantic.