パッサロヴィッツ条約
Emboldened by their success in Sardinia, in July 1718 the Spanish landed 30,000 men on Sicily but the strategic position had now changed. Austria signed the July 1718 Treaty of Passarowitz with the Ottoman Empire, and on 2 August, joined Britain, France and the Dutch in the Quadruple Alliance, which gave its name to the war that followed.