Maria Theresa of Austria

Maria Theresa (Maria Theresia Walburga Amalia Christina; 13 May 1717 – 29 November 1780) was the ruler of the Habsburg monarchy from 1740 until her death in 1780, and the only woman to hold the position in her own right. She was the sovereign of Austria, Hungary, Croatia, Bohemia, Transylvania, Slavonia, Mantua, Milan, Moravia, Galicia and Lodomeria, Dalmatia, Austrian Netherlands, Carinthia, Carniola, Gorizia and Gradisca, Austrian Silesia, Tyrol, Styria, and Parma. By marriage, she was Duchess of Lorraine, Grand Duchess of Tuscany, and Holy Roman Empress.