Louis-Guillaume Otto

• 1. Introduction

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  Louis-Guillaume Otto, comte de Mosloy, wrote a letter on the 6th of July 1799 that most historians have overlooked for centuries. In it, he announced that a revolution had begun in France. He called it, in French, the Industrial Revolution. That letter is now recognized as the earliest recorded use of that phrase in the French language.

  Otto was not a writer or a philosopher. He was a diplomat. Born on the 7th of August 1754, he spent his life in the corridors of power in Philadelphia, London, Munich, and Vienna. He courted an American heiress, outlived a brush with the guillotine, brokered the Peace of Amiens, and arranged Napoleon's second marriage. His career stretched across one of the most turbulent half-centuries in European history.

  How does a German-born law student from Strasbourg become one of Napoleon's most trusted envoys? And why does the man who coined a phrase that would define an era remain so little known? Those are the questions this documentary sets out to answer.

• 2. Strasbourg to Philadelphia

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  At the University of Strasbourg, Otto studied under Christoph Wilhelm von Koch, a professor whose influence would echo through Otto's entire career. A fellow student, Emmanuel-Joseph Sieyès, became a lifelong friend. Otto graduated with qualifications in Modern Languages and Law, a combination that would prove essential for a career built on negotiation across linguistic boundaries.

  His entry into the French diplomatic service came through private secretarial work for César de La Luzerne in Bavaria. In 1779, he was sent on a diplomatic mission to the newly formed United States of America. The young republic was barely three years old, and France had a deep interest in its survival.

  In Philadelphia, Otto's personal life took a painful turn. He fell for Anne Shippen and pursued her with letters. Her mother supported the match, but her father chose another man for her. The courtship came to nothing. Otto channeled his energies elsewhere. In May 1785, he succeeded François Barbé-Marbois as Secretary of the French Legation, and he served two additional terms as Chargé d'affaires ad interim. During that time, he built what the record describes as cordial relations with George Washington and other senior members of Congress.

  He put his analytical mind to use writing reports on the U.S. Constitution and its prospects for ratification. Those documents placed him among the earliest European observers to study the new American system of government in careful detail. In March 1787, he married Elizabeth, daughter of Peter Van Brugh Livingston. She died just nine months later, in December 1787. That same year, the American Philosophical Society elected him to membership.

• 3. Revolution and Near-Death

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  Otto returned to France at the end of 1792, arriving into a country convulsed by revolution. The Revolutionary Government's Committee of Public Safety moved quickly to use him. He was appointed the first Head of the Political Division for Foreign Affairs, a post that placed him at the center of France's diplomatic machinery at its most volatile moment.

  The fall of the Girondins on the 31st of May 1793 swept that stability away. Otto was dismissed and arrested. He came close to being guillotined. That he survived at all placed him in the company of the fortunate few who navigated the Terror without losing their lives.

  Sieyès, his old university friend, offered a way out. Otto followed him to Berlin as Secretary to his Legation. When Sieyès left Berlin to join the French Directory, Otto stayed on as Chargé d'affaires. It was during this period, on the 6th of July 1799, that Otto wrote the letter now recognized as the earliest recorded use of the phrase Industrial Revolution in French. He described the revolution as already underway in France. The observation was embedded in a diplomatic dispatch, not a philosophical treatise, which is part of why it went unnoticed for so long.

• 4. The Peace of Amiens

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  In 1800, Otto was posted to London with a specific and delicate assignment: managing French prisoners of war held in Britain. He served first as Commissioner responsible for that portfolio before being elevated to Minister Plenipotentiary, a rank that signaled Paris's seriousness about the London posting.

  The British Cabinet and the French government were both exhausted by years of conflict. Otto was instructed to negotiate, and in 1801 he forged the outline agreement that became the Peace of Amiens. That treaty, signed in 1802, temporarily ended hostilities between France and Britain. It was the only general peace Western Europe would see during the Napoleonic period, and Otto's groundwork made it possible.

  The peace did not last, but the work that produced it demonstrated Otto's particular gift: finding workable terms between parties whose interests seemed irreconcilable. That skill would carry him to two more critical assignments before his career was done.

• 5. Napoleon's Trusted Envoy

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  In 1803, Otto was posted to Munich, to the Bavarian court of Prince-Elector Maximilian. Two years later, his handling of that relationship caught Napoleon's attention. Otto's influence over the Elector was significant enough that Napoleon, in 1805, appointed him to the Conseil d'État and honoured him as a Grand officier of the Legion of Honour.

  In 1810, Napoleon sent him to Vienna as French Ambassador. The assignment carried a singular task: negotiating the terms of Napoleon's second marriage to Archduchess Marie-Louise of Austria. Otto delivered. Napoleon rewarded him by creating him comte de Mosloy in late 1810, a title drawn from his new noble rank.

  Vienna also produced an unexpected connection. While resident there, Otto encountered Klemens, Graf von Metternich, the State Chancellor of the Austrian Empire. The two men discovered that they had both been tutored by Professor von Koch at Strasbourg. The same teacher who had shaped Otto's early thinking had also shaped the man who would become the architect of post-Napoleonic Europe.

• 6. Twilight and Legacy

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  The fall of Napoleon brought Otto's active career to an end. During the Hundred Days, he served as Under-Secretary for Foreign Affairs from the 24th of March until the 22nd of June. When the First Restoration came, he was excluded from politics. After the Second Restoration, he retired.

  Otto died in 1817 and was buried in the 37th division of the Cimetière du Père-Lachaise in Paris. His coat of arms carried a layered blazon: quarters of gold and black, an otter rising from a river swallowing a golden fish, and a lion holding a silver heart on red. The design encoded the French word for otter, a pun on his name, into heraldic imagery.

  The phrase he wrote in that 1799 letter would go on to define how the world describes one of the largest economic shifts in human history. Otto himself remains a footnote in most accounts. His grave in Père-Lachaise sits in a cemetery that also holds the remains of some of the most celebrated figures of his era, most of them far better remembered than the diplomat who, in a single line of a single dispatch, named the age they all lived through.