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Defeat and dissolution

In 1740 the Prussian Army conquered Bohemian Silesia in the Silesian Wars and forced Maria Theresa in 1742 to cede the majority of Silesia, except the southernmost area with the duchies of Cieszyn, Krnov and Opava, to Prussia. In 1756 Prussian King Frederick II faced an enemy coalition led by Austria, when Maria Theresa was preparing for war with Prussia to reclaim Silesia. The Prussian army conquered Saxony and in 1757 invaded Bohemia. In the Battle of Prague (1757) they defeated the Habsburgs and subsequently occupied Prague. More than one quarter of Prague was destroyed and the St. Vitus Cathedral suffered heavy damage. In the Battle of Kolín, however, Frederick lost and had to vacate Prague and retreat from Bohemia.

With the dissolution of the Holy Roman Empire in 1806, the Bohemian kingdom was incorporated into the now two years old Austrian Empire and the royal title retained alongside the title of Austrian Emperor. In the course of the 1867 Austro-Hungarian Compromise the provinces of Bohemia, Moravia and Austrian Silesia became k. k. crown lands of Cisleithania. The Bohemian Kingdom officially ceased to exist in 1918 by transformation into the Czechoslovak Republic.

The current Czech Republic consisting of Bohemia, Moravia and Czech Silesia still uses most of the symbols of the Kingdom of Bohemia: a two-tailed lion in its coat-of-arms, red-white stripes in the state flag and the royal castle as the president's office.