context: Yelizaveta (Yelisavet) Petrovna (Russian: Елизаве́та (Елисаве́та) Петро́вна, English: Elizabeth) (29 December 1709 - 5 January 1762) was Maharani (female emperor) of Russia who ruled in 1741 to 1762. In his time, Yiz in Russia, Yiz in his time, Russia two major disputes in Europe at that time: Austrian Heir War (1740 - 1748) and the Seven Years War (1756 - 1763). Yelizaveta was the last Russian ruler who was a member of the Romanov Dynasty from the father's line.
question: What dispute occurred during the reign of Yelizaveta?
answers.text: Austrian Heir War (1740 - 1748) and the Seven Years War (1756 - 1763)