The imperial troops at Krotzka on the 23rd of July 1 739 and laid siege to Belgrade, where on the 1st of September a treaty was signed, which, with the exception of the banat, surrendered everything that Austria had gained by the treaty of Passarowitz.
The result of the constitutional experiment hardly justified the royal expectations; the parliament was hardly opened (February 5th, 1819) before the doctrinaire radicalism of some of its members, culminating in the demand that the army should swear allegiance to the constitution, so alarmed the king, that he appealed to Austria and Germany, undertaking to carry out any repressive measures they might recommend.
In this capacity he showed his usual industry and devotion, concluding the treaties between France and Austria and France and Prussia, which preceded the French invasion of Russia in 1812.
On the failure of this attempt he left Austria and joined the headquarters of the Prussian army (1813), and became a member of the board of administration for north Germany.
As soon as a suspension of arms (to i 5th of August) had been agreed to, Napoleon hastened to withdraw his troops from the dangerous position they occupied with reference to the passes leading over the mountains from Bohemia, for he entertained no doubt now that Austria was also to be considered as an enemy.
The Austrian archduke John had been appointed regent, pending the election of an emperor; and the political leaders could neither break loose from the tradition of Austrian hegemony, nor reconcile themselves with the idea of a mutilated Germany, till it was too late, and Austria was once more in a position to re-establish the system devised by her diplomacy at the congress of Vienna.
After this he had to watch closely the movements of the emperor Joseph II., who, although an ardent admirer of Frederick, was anxious to restore to Austria the greatness she had partially lost.
Louis XII., the next king of France, thought only of the Milanese; Ferdinand the Catholic all but destroyed the Spanish unity at the end of his life by his marriage with Germaine de Foix; while the house of Austria -was for centuries to remain involved in this petty course of policy.
Viadua; Slavonic, Vjodr), a river of Germany, rises in Austria on the Odergebirge in the Moravian tableland at a height of 1950 ft.
But the Carbonari were unable to carry on the government, and after the separatist revolt of Sicily had broken out the king went to the congress of Laibach, and obtained from the emperor of Austria the loan of an army with which to restore the autocracy.