This was an unconstitutional deed, because the laws were already signed by his uncle King Ferdinand, and the monarch had no right to revoke parliamentary laws which were already signed. The March Constitution reclaimed[citation needed] Habsburg power after the concessions it had made during the Revolutions of 1848. The constitution was accepted by the Imperial Diet of Austria, where Hungary had no representation, and which traditionally had no legislative power in the territory of Kingdom of Hungary; despite this, it also tried to abolish the Diet of Hungary (which existed as the supreme legislative power in Hungary since the late 12th century.)[4] The new Austrian constitution also went against the historical constitution of Hungary, and even tried to nullify it.[5] The revoke of the Hungarian April Laws and reduction of Hungary's territory and traditional status within the Habsburg Monarchy, prompting a renewal of the Hungarian Revolution.[6] On 7 March 1849 an imperial proclamation was issued in the name of the emperor Francis Joseph establishing a united constitution for the whole empire, the territorial integrity of Kingdom of Hungary was abolished, thus Hungary would be administered by five military districts, while Principality of Transylvania would be reestablished.[7]