 She dismissed the possibility that other countries might try to seize her territories and immediately started ensuring the imperial dignity for herself; since a woman could not be elected Holy Roman Empress, Maria Theresa wanted to secure the imperial office for her husband, but Francis Stephen did not possess enough land or rank within the Holy Roman Empire.In order to make him eligible for the imperial throne and to enable him to vote in the imperial elections as elector of Bohemia (which she could not do because of her sex), Maria Theresa made Francis Stephen co-ruler of the Austrian and Bohemian lands on 21 November 1740.It took more than a year for the Diet of Hungary to accept Francis Stephen as co-ruler, since they asserted that the sovereignty of Hungary could not be shared.