Carlos III By tic172 Jan 20, 1716 Birth Jan 1, 1731 Duke of Parma and Toscana Jan 1, 1735 King of Nápoles He resigned from the duchies of Parma and Toscana to become king of Nápoles. Jan 1, 1738 Marriage He got married with María Amalia de Sajonia. May 20, 1759 King of Spain Jan 1, 1761 Seven years' war Jan 2, 1788 Carlos IV is the King of Spain Dec 14, 1788 Death