The Kingdom of Saxony (German: Königreich Sachsen) was a German monarchy in Central Europe between 1806 and 1918, the successor of the Electorate of Saxony. It joined the Confederation of the Rhine after the dissolution of the Holy Roman Empire, later joining the German Confederation after Napoleon was defeated in 1815. From 1871, it was part of the German Empire. It became a free state of the Weimar Republic in 1918 after the end of World War I and the abdication of King Frederick Augustus III. Its capital was Dresden, and its modern successor is the Free State of Saxony. Source: Wikipedia (en)