The Diplomatic Revolution of 1756 was the reversal of longstanding alliances in Europe between the War of the Austrian Succession and the Seven Years' War. Austria went from an ally of Britain to an ally of France; the Dutch Republic, a long-standing British ally, became more anti-British and took a neutral stance while Prussia became an ally of Britain. The most influential diplomat involved was an Austrian statesman, Wenzel Anton von Kaunitz. The change was part of the stately quadrille, a constantly shifting pattern of alliances throughout the 18th century to preserve or upset the European balance of power.
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👉 Diplomatic Revolution in the context of Anglo-Austrian Alliance
The Anglo-Austrian Alliance connected the Kingdom of Great Britain and the Habsburg monarchy during the first half of the 18th century. It was largely the work of the British Whig statesman Thomas Pelham-Holles, 1st Duke of Newcastle, who considered an alliance with Austria crucial to prevent the further expansion of French power.
It lasted from 1731 to 1756 and formed part of the stately quadrille by which the Great Powers of Europe continually shifted their alliances to try to maintain the balance of power in Europe. Its collapse during the Diplomatic Revolution ultimately led to the Seven Years' War.
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Diplomatic Revolution in the context of Seven Years' War
The Seven Years' War, 1756 to 1763, was a global war fought by numerous great powers, primarily in Europe, with significant subsidiary campaigns in North America and South Asia. The warring states were Great Britain and Prussia fighting against France and Austria, with other countries joining these coalitions: Portugal, Spain, Saxony, Sweden, and Russia. Related conflicts include the Third Silesian War, French and Indian War, Third Carnatic War, Anglo-Spanish War (1762–1763), and Spanish–Portuguese War.
Although the War of the Austrian Succession ended with the Treaty of Aix-la-Chapelle (1748), none of the signatories were happy with the terms, and it was generally viewed as a temporary armistice. It led to a strategic realignment known as the Diplomatic Revolution that ended the long-running rivalry between Austria and France. The two declared war on Britain after signing the Treaty of Versailles (1756), with a second agreement in 1757 bringing Prussia into the war.
Diplomatic Revolution in the context of Third Silesian War
The Third Silesian War (German: Dritter Schlesischer Krieg) was a war between Prussia and Austria (together with its allies) that lasted from 1756 to 1763 and confirmed Prussia's control of the region of Silesia (now in south-western Poland). The war was fought mainly in Silesia, Bohemia and Upper Saxony and formed one theatre of the Seven Years' War. It was the last of three Silesian Wars fought between Frederick the Great's Prussia and Maria Theresa's Austria in the mid-18th century, all three of which ended in Prussian control of Silesia.
This conflict can be viewed as a continuation of the First and Second Silesian Wars of the previous decade. After the Treaty of Aix-la-Chapelle ended the War of the Austrian Succession, Austria enacted broad reforms and upended its traditional diplomatic policy to prepare for renewed war with Prussia. As with the previous Silesian Wars, no particular triggering event initiated the conflict; rather, Prussia struck opportunistically to disrupt its enemies' plans. The war's cost in blood and treasure was high on both sides, and it ended inconclusively when neither of the main belligerents could sustain the conflict any longer.