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States and territories disestablished in 1815

  • Duchy of WarsawIn 1807, French Emperor Napoleon Bonaparte signed the Treaty of Tilsit with Prussia to create a new state. This agreement transferred ethnically Polish lands…
  • Republic of GenoaIn 1097, twelve galleys and one ship carrying 1,200 soldiers set sail from Genoa to join the First Crusade. The Genoese fleet blockaded Antioch in May of…
  • Bourbon Restoration in FranceOn the 6th of April 1814, the armies of the Sixth Coalition marched into Paris and restored Louis XVIII to the throne. This moment marked the end of…
  • Kingdom of FranceThe Treaty of Verdun in 843 divided the Carolingian Empire into three parts, leaving Charles the Bald to rule West Francia.
  • First French EmpireOn the 2nd of December 1804, Napoleon Bonaparte stood inside Notre-Dame de Paris to receive his imperial crown. Pope Pius VII had traveled from Rome to…
  • Switzerland in the Napoleonic eraIn 1790, a group of exiled Vaudois and Fribourgers gathered in Paris to form the Helvetian Club. They spread ideas from the French Revolution across western…
  • Principality of ElbaThe Treaty of Fontainebleau signed on the 11th of April 1814 transformed the Mediterranean island of Elba into a personal possession for Napoleon Bonaparte.