sentences:  This caused unrest among the Hungarian and Croatian nobility which plotted against the emperor in what became known as the Zrinski–Frankopan Conspiracy in Croatia, but they weren't powerful enough to actually do something about it, even though they negotiated with both the French and the Ottomans.Imperial spies uncovered the conspiracy and on April 30, 1671 executed four esteemed Croatian and Hungarian noblemen involved in it, Petar Zrinski, Fran Krsto Frankopan, Ferenc Nádasdy III and Erazmo Tatenbach, in Wiener Neustadt.Croatia was one of the crown lands that supported Emperor Charles VI's Pragmatic Sanction of 1713 and supported Empress Maria Theresa in the War of the Austrian Succession of 1741–48 and the Croatian Parliament signed their own Pragmatic Sanction of 1712.