The Act of Mediation of 1803: Reorganizing the Nineteen-Canton Swiss Confederation

The Act of Mediation of 1803 reorganized the Swiss confederation and its cantons under Napoleon Bonaparte’s authority as First Consul of France. The preceding Helvetic Republic had been divided by arguments over centralized government and cantonal autonomy, followed by civil war after French troops withdrew. French meeting records identified ending this conflict as the immediate purpose of convening Swiss representatives in Paris.

On December 4, 1802, Bonaparte appointed Senators Barthélemy, Roederer, Fouché and Demeunier to a commission. Its first plenary meeting with Swiss representatives took place in the French Foreign Ministry archives on December 10. The commission heard views and discussed cantonal proposals before Bonaparte made the final decisions. On February 19, 1803, the act was delivered at the Tuileries Palace to Louis d’Affry, the first Landammann of Switzerland. The Swiss and French sides each retained an original.

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The act began with nineteen cantonal constitutions, followed by common federal provisions in Chapter Twenty and arrangements for institutional transfers and debt settlement. Article 1 united the nineteen cantons in a confederation and required mutual guarantees of their constitutions, territory, liberty and independence. Former subject territories including Aargau, Thurgau, Ticino and Vaud gained cantonal status. Article 3 abolished subject territories and privileges based on territory, birth, individuals or families.

The cantons adopted different forms of government. Uri restored its popular assembly, where citizens of the required age accepted or rejected laws proposed by the cantonal council. Vaud established a Grand Council of 180 members in Lausanne, with a nine-member Small Council proposing laws and taxes. Participation in Vaud’s local assemblies depended on requirements concerning residence, age, marital status and property.

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Powers not expressly assigned to federal institutions remained with the cantons. Each canton sent one deputy to the Federal Diet, generally bound by cantonal instructions. Bern, Zurich, Vaud, St. Gallen, Aargau and Graubünden each had two votes, while the other thirteen cantons had one each: nineteen deputies held twenty-five votes in total. The Diet handled disputes between cantons, foreign treaties and common security.

Declarations of war, peace settlements and alliances required approval from three-quarters of the cantons. The Diet concluded commercial treaties and agreements for service abroad; cantons could not independently form alliances with one another or foreign states. Cantons supplied defense personnel and funds according to the act’s quotas, and the Diet appointed the commanding general. Limited common powers operated alongside the cantons’ continuing political status.

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Fribourg, Bern, Solothurn, Basel, Zurich and Lucerne took turns as presiding canton, with the Diet moving accordingly. The canton’s chief magistrate also served as Landammann of Switzerland, keeping the state seal, receiving foreign diplomatic credentials and presiding over the Diet. The act designated Fribourg as the first presiding canton in 1803 and gave d’Affry special transitional powers before the first Diet met.

When the Diet was not sitting, the Landammann could handle urgent communications and mediation between cantons, and oversee necessary road and river works. Assistance from other cantons during internal disturbances required the affected government’s request and prescribed consultation. Ordinary annual meetings began on the first Monday in June; transitional provisions scheduled the first meeting of 1803 for July.

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The old central government was to transfer its archives and dissolve on March 10. Cantonal executive commissions met that day to receive administrative documents. The new constitutions took effect on April 15, and Diet deputies and their instructions were to be ready by June 1. The first Diet opened in Fribourg on July 4. Promulgation, termination of the old government, operation of new institutions and the Diet’s opening thus occurred on separate dates.

The federal act protected internal circulation of goods and livestock and prohibited internal customs duties. Road tolls and rates of border duties required Diet approval. Meeting records show Swiss representatives seeking to preserve existing charging rights while the French emphasized unobstructed trade between cantons. Separate commissions settled public property and old debts, allocating financial responsibilities after the central state’s dissolution.

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At the end of the act, Bonaparte recognized the independence of Switzerland constituted under this system and guaranteed the confederation and cantonal constitutions. The text also promised French military withdrawal once the arrangements were implemented. Monnier interprets the settlement as combining cantonal autonomy with post-revolutionary equality while also placing Switzerland under French protection and domination.

As Napoleon’s power declined, a federal meeting in Zurich on December 29, 1813 declared the Act of Mediation unsustainable. Subsequent negotiations produced the Federal Pact of twenty-two cantons in 1815. The act of 1803 had replaced the earlier unitary republic with a structure combining old and new cantons and limited common institutions.

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