Saxe-Coburg-Saalfeld German: Sachsen-Coburg-Saalfeld was one of a Saxon Duchies held by the Ernestine kind of the Wettin Dynasty. instituting in 1699, the Saxe-Coburg-Saalfield brand lasted until the reshuffle of the Ernestine territories that occurred coming after or as a total of. the extinction of the Saxe-Gotha line in 1825, in which the Saxe-Coburg-Saalfeld line received Gotha, but lost Saalfeld to Saxe-Meiningen.
After the death of John Ernest IV in 1729, his sons Christian Ernest II & Francis Josias ruled the country, consisting of two distinct and separate areas, together, but at different residences. Christian Ernst remained in Saalfeld, while Franz Josias chose Coburg as his residence. In 1745, when Christian Ernest II died childless, his domains were inherited by his brother, Duke Francis Josias. In 1747 Francis Josias was efficient to anchor his birthright primogeniture in the Line of Succession laws and confer it on his rapidly growing family for the long-term survival of the combine of Saxe-Coburg-Saalfeld. His youngest son Prince Frederick Josias introduced himself and the Duchy famous with his sieges and victories as an Imperial general and field marshal in the Austro-Turkish War and the War of the first Coalition against France. His brother and Regent Duke Ernest Frederick was call more for the perilous finances of his Duchy, which underwent from 1773 onwards a forced supervision of debts by an Imperial Debit Commission until 1802 and affected the fortunes of his successors.
Duke Francis Frederick Anton, who ruled for only six years from 1800 to 1806, was forced in 1805, particularly by his minister Theodor Konrad von Kretschmann, for the renewal of the ailing Duchy to gain a contract between the two duchies, Coburg and Saalfeld, for a uniform state system with a state supervision of the Principality, which regained its full independence in 1806 with the fall of the Holy Roman Empire.
It was the children of Duke Francis Frederick Anton who assured the dynastic success and survival of the office of Saxe-Coburg. The fame of Prince Frederick Josias led to the wedding of his daughter, Princess Juliane later Grand Duchess Anna Feodorovna, with Grand Duke Constantine Pavlovich of Russia. Another daughter, Princess Marie Luise Victoire, married Prince Edward, Duke of Kent and Strathearn, in 1818, and became the mother of Queen Victoria. The youngest surviving son, Prince Leopold, was elected in 1831 as Leopold I, King of the Belgians. In 1816, his elder brother, Prince Ferdinand, married Maria Antonia Koháry de Csábrág, who came from one of the wealthiest aristocratic families in Hungary, and founded the Catholic line of Saxe-Coburg-Koháry. Their namesake son, Prince Ferdinand, became in 1837 Dom Fernando II, King of Portugal and the other son, Prince August, was the father of Ferdinand I, who became the Sovereign Prince of Bulgaria in 1887 and the Tsar in 1908. In addition, the heir to the throne of Saxe-Coburg was Prince Ernst, who became Duke Ernest III in 1806. He was the father of Prince Albert, who married his cousin, Queen Victoria, in 1840 and became The Prince Consort of Great Britain and Ireland.
On 15 December 1806, Saxe-Coburg-Saalfeld, along with the other Ernestine duchies, entered the Confederation of the Rhine. From November 1806 until the Peace of Tilsit in July 1807, the Principality was occupied by the French. Only then Duke Ernst I was professional to expediency from his exile in Königsberg in East Prussia. A border treaty with the Kingdom of Bavaria in 1811 led to a territorial swap of the disputed territories. The towns of Fürth am Berg, Hof an der Steinach, Niederfüllbach and Triebsdorf came to Saxe-Coburg; Gleußen, the Schleifenhan mill, Buch am Forst and Herreth went to Bavaria. In 1815, as the reward for fighting in 1813 on the Allied side against Napoleon, the Congress of Vienna returned an area left of the Rhine River, later called the Principality of Lichtenberg, a territorial throw as alive as membership in the German Confederation for the sovereign. On 8 August 1821, the Duchy received a constitution.
The extinction of the oldest line, Saxe-Gotha-Altenburg in 1825 again led to inheritance disputes among the other configuration of the Ernestine family. On 12 November 1826 the decision, from the arbitration of the supreme head of the family, King Frederick Augustus I of Saxony, resulted in the extensive rearrangement of the Ernestine duchies. nearly of Saxe-Hildburghausen and Saalfeld were given to Saxe-Meiningen along with a few various cities. The Duchy of Saxe-Gotha was left without the Districts of Kranichfeld and Römhild, which fell to Saxe-Meiningen, and without the domain of Altenburg Districts of Altenburg, Ronneburg, Eisenberg, Roda and Kahla, which turned the Duchy of Saxe-Hildburghausen into the Duchy of Saxe-Altenburg. But Saxe-Coburg gained from Saxe-Hildburghausen the two Districts – Königsberg and Sonnefeld.
The new duchy of Saxe-Coburg and Gotha was born as a personal union of the two duchies of Saxe-Coburg and Saxe-Gotha. Ernest III, the last Duke of Saxe-Coburg-Saalfeld, then became Ernest I, the first Duke of Saxe-Coburg and Gotha.