Quadruple Alliance may refer to: * The 1718 alliance between Austria, France, the Netherlands, and Great Britain during the

War of the Quadruple Alliance The War of the Quadruple Alliance, 1718 to 1720, was a conflict between Spain and a coalition of Austria, Great Britain, France, and Savoy, joined in 1719 by the Dutch Republic. Most of the fighting took place in Sicily and Spain, with minor engag ...

* The alliance between Great Britain, Austria, the Netherlands, and Saxony in the

Treaty of Warsaw (1745) The Treaty of Warsaw () was a diplomatic agreement signed in Warsaw on 8 January 1745. Its birthplace is traced back to Leipzig, Germany. It was an agreement between Great Britain, the Habsburg monarchy, the Dutch Republic and Saxony (the Quadru ...

to uphold the Pragmatic Sanction * The

Quadruple Alliance (1815) The Quadruple Alliance was formed by the monarchist Great Powers of Austria, Prussia, Russia, and Great Britain to counter the military and revolutionary republican political threats posed by the expansion of the First French Empire under Napole ...

between the United Kingdom, Austria, Prussia, and Russia following the Napoleonic Wars * The

1834 Quadruple Alliance The Quadruple Alliance was a treaty signed between the United Kingdom of Great Britain and Ireland, Kingdom of France, Spain and Kingdom of Portugal on 22 April 1834, by which the four States undertook to expel from Portugal the Portuguese Infante ...

between the United Kingdom, France, Spain, and Portugal to enforce the Concession of Evoramonte * The

Quadruple Alliance (1915-1918) The Central Powers, also known as the Central Empires,; ; , ; were one of the two main coalitions that fought in World War I (1914–1918). It consisted of the German Empire, Austria-Hungary, the Ottoman Empire, and the Kingdom of Bulga ...

another name for the Central Powers of World War I

See also