1734 Victory of Charles Emmanuel at Guastalla.
1735 Don Charles goes to Sicily and is crowned king.
1737 Death of Gian Gastone, grand duke of Tuscany, the last of the Medici.
1738 The Treaty of Vienna settles the disputes of the war of the Polish Succession. Duke Francis of Lorraine receives Tuscany. Parma and Piacenza are given to Austria, which keeps Milan and Mantua. Don Charles acknowledged king of the Two Sicilies. Charles Emmanuel acquires Novara, and Tortona is separated from Milan.
1740 War of the Austrian Succession begins. The Bourbon houses of Spain, France, and the Sicilies oppose the Habsburg-Lorraine party in the succession of Maria Theresa.
1741 Charles Emmanuel joins the Habsburg cause.
1742 The king of Sardinia attacks Reggio and Modena. The Spanish army invades Savoy, but is driven back.
1743 The Sardinians defeated by the French and Spaniards, who seize Parma and Milan. Francis of Lorraine, elected emperor, sends an Austrian army against them.
1745 Defeat of the French and Spaniards by the king of Sardinia and the Austrians at Piacenza. The Genoese compelled to admit the Austrians into the city, but they afterwards expel them.