On the night of August 14, 1791, enslaved workers in a rain-soaked ravine outside Cap-Français swore an oath over a sacrificed pig to burn Saint-Domingue's cane fields; thirteen years later they had beaten three empires and founded the hemisphere's second republic.

Toussaint Louverture had already fought three European armies to a standstill and negotiated a truce on his own terms. What he did not have, in June 1802, was any reason to distrust a dinner invitation.

What happened in the ravine?

Eight nights before the uprising began, several hundred enslaved men and women gathered after dark in a wooded ravine near Cap-Français, the colonial capital of the French colony of Saint-Domingue. The date was August 14, 1791. Accounts of who presided differ, though a Vodou priest remembered as Dutty Boukman is named most often, alongside a priestess, Cécile Fatiman; the sources agree on the shape of the night: a black pig sacrificed in a downpour, its blood drunk as a pledge, and an attack planned across the northern plain. By the night of August 21 into August 22, cane fields were burning from Le Cap to Port-Margot.

Why was this one colony worth an empire?

Money. On the eve of the revolt, Saint-Domingue's plantations shipped more sugar and coffee than every British possession in the Caribbean put together, and French trade with the colony ran to roughly £11 million a year, more than double the value of all of England's colonial commerce combined. The colony itself was small, barely the western third of one island. Its workforce was not: around half a million enslaved Africans labored there, against a free population a tenth that size. A ratio like that, sustained by violence and worked without pause for that much profit, was never going to hold.

Who was the coachman who led the revolt?

Louverture had been a coachman and livestock keeper on the Bréda plantation before the uprising; within a year he had emerged as its most capable general. He built an army out of former field hands and spent a decade fighting or negotiating with French, Spanish, and British commanders as each in turn tried to claim the colony. By 1801 he governed it in practice, nominally still under the French flag. Napoleon Bonaparte, unwilling to accept a Black general running one of his colonies, sent an expeditionary force under his brother-in-law, General Charles Leclerc, with instructions that historians read as a plan to restore slavery once the island was subdued.

Louverture held Leclerc's army to a standstill for months before agreeing to a truce and retiring to his estate at Ennery. The French general Jean-Baptiste Brunet then invited him to what was billed as a routine meeting about troop placements. Louverture went in good faith; he was arrested at the table, marched onto a frigate, and shipped to France without a trial. His prison was Fort de Joux, a mountain fortress in the Jura near the Swiss border, built for a climate no one raised in the Caribbean was prepared for. He died there of pneumonia on April 7, 1803 (the fortress still displays the cell), a little more than eight months before the war he had spent a decade fighting ended in his country's favor.

How did a slave revolt end an American land deal?

Leclerc's expedition landed with more than 20,000 soldiers and lost most of them to yellow fever rather than combat: modern estimates put French military deaths from the epidemic at 50,000 to 55,000 by the time fighting ended, and Leclerc himself died of it that November. Jean-Jacques Dessalines, who took command of the resistance after Louverture's arrest, fought the remaining French forces to a final defeat at Vertières in November 1803.

Napoleon had planned Saint-Domingue as the commercial anchor of a renewed French empire in the Americas, with the Louisiana Territory as its farm belt: land to feed the sugar colony rather than to settle. Once Saint-Domingue was gone, Louisiana served no purpose he could still defend, and a resumed war with Britain made an undefended North American territory a liability. In the spring of 1803, French negotiators offered the entire territory to the United States. Thomas Jefferson had sent envoys to buy New Orleans; he went home with a purchase that roughly doubled the country's size, for a deal traceable in a straight line back to a ravine outside Cap-Français.

What came out of thirteen years of war?

On January 1, 1804, Dessalines declared independence at Gonaïves and renamed the country Haiti, reviving an Indigenous Taíno name for the island that French rule had erased. It was the second republic founded in the Americas, after the United States, and it remains the only nation ever born from a successful revolt of enslaved people. The new state's earliest months also saw the killing of much of the colony's remaining white population, a campaign whose scale and justification historians still argue over; Haiti's own founding generation did not hide it.

Does any of this still matter?

Yes, and not only as history. In 1825, threatening a fresh invasion, France forced the young republic to accept an indemnity of 150 million francs, compensation to former planters for property that included the people who had freed themselves. Haiti financed the debt through French banks at punishing interest, had it reduced to 60 million francs in 1838, and did not make its final payment until 1947 — a debt that outlasted the revolution that produced it by nearly a century and a half. Economists in Paris and Port-au-Prince are still adding up what that indemnity actually cost the country's development, and in the last few years French and Haitian commissions have started, tentatively, to put a number on repayment.

Sources

• Wikipedia, "Bois Caïman"
• Wikipedia, "Toussaint Louverture"
• History Today, "The Wrongful Death of Toussaint Louverture"
• Britannica, "Saint-Domingue"
• History.com, "The Louisiana Purchase Was Driven by a Slave Rebellion"
• Wikipedia, "Haitian independence debt"