Scotland in the 1690s was a country running out of options. The decade was the coldest in 750 years, documented in tree-ring records that show a sustained collapse in growing conditions. Widespread crop failures during the so-called "seven ill years" brought famine to the Lowlands. The economy was small, the range of exports limited, and the Navigation Acts restricted Scottish shipping for the benefit of English merchants. Shipbuilding -- once thriving -- had declined to near nothing. Domestic conflicts, from the Wars of the Three Kingdoms to religious upheavals, had exhausted both people and treasury. Into this despair stepped William Paterson, a Scottish-born financier who proposed a colony on the Isthmus of Panama. The Company of Scotland, established in 1695 with the power to found colonies, adopted his plan. Subscriptions were raised in Amsterdam, Hamburg, and London, though English opposition -- driven by mercantilism and pressure from the East India Company -- soon drove continental investors away. In the end, approximately twenty percent of all the money circulating in Scotland was invested in the venture.

The fleet reached the coast of Darien on November 2, 1698, guided by a former pirate named Robert Allison. The settlers christened their new home Caledonia and built Fort St. Andrew on a harbor peninsula, equipping it with fifty cannons but no reliable source of fresh water. The colonists were a motley assembly: former soldiers, many of whom had served together in the army and some of whom were notorious for their involvement in the Massacre of Glencoe. From the start, the settlement was plagued by divided leadership, poor provisioning, and tropical disease. The harbor, which had appeared ideal, proved treacherous -- tides could wreck a vessel attempting to leave. Trade with local indigenous groups never materialized, and neighboring English and Dutch colonies refused to help, under orders from King William, who did not want to provoke Spain. By the time the colonists abandoned New Caledonia in June 1699, hundreds lay buried in overgrown graves along the shore.

Word of the first expedition's failure did not reach Scotland in time to prevent a second voyage. Over 1,000 additional settlers departed, and when they arrived in Caledonia Bay on November 30, 1699, they found ruined huts and those hundreds of graves -- not the bustling settlement they had been promised. Two supply ships, the Olive Branch and the Hopeful Beginning, had arrived months earlier to find the same desolation; the Olive Branch burned in an accidental fire, and the survivors fled to Jamaica, where they were refused permission to come ashore. Morale in the rebuilt colony collapsed almost immediately. Thomas Drummond, who had sailed from New York with fresh supplies, insisted the fort be rebuilt because a Spanish attack was imminent. He was right. Spanish forces besieged Fort St. Andrew and blockaded the harbor. After negotiations, the Scots were allowed to leave with their weapons. The colony was abandoned for the last time in March 1700. Only a handful of the second expedition's settlers ever returned to Scotland.

The financial devastation was absolute. Between fifteen and forty percent of all actual capital in Scotland had been sunk into the Darien venture, and nearly every family in the Lowlands felt the loss. The bitterness was compounded by a sense of English betrayal: King William had quietly undermined the colony to avoid war with Spain, and English merchants had lobbied to destroy it. In the aftermath, Scottish rage produced a grotesque miscarriage of justice when Thomas Green, the young captain of an English merchant ship, was convicted of piracy on fabricated evidence and hanged before a cheering Edinburgh mob -- even though affidavits from London proved his innocence. Scotland's landed aristocracy and mercantile class, nearly bankrupted, began to see union with England as the only path to financial recovery. Under the Acts of Union of 1707, Article 15 granted Scotland 398,085 pounds sterling -- roughly 100 million pounds in today's money -- to offset its share of the English national debt and compensate Darien investors. The sum was known as "the Equivalent." Whether it was fair compensation or the price of independence has been debated ever since. Robert Burns captured the sentiment in a phrase that still stings: "such a parcel of rogues in a nation."