 In the following years, however, she was able to strengthen her position.She attacked the Electorate of Bavaria and in January 1745 achieved the support of Great Britain, the Dutch Republic and Saxony to reconquer Silesia.Furthermore, her rival, Emperor Charles VII, died a few days later, and on 22 April 1745 his son and successor, Elector Maximilian III Joseph of Bavaria, concluded the Treaty of Füssen with her.