Diplomatic Revolution

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Not to be confused with the Westminster convention (Westminster system), the democratic parliamentary system of government of the UK..
The alliances formed as a result of the Diplomatic Revolution.

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.[1] Austria went from an ally of Britain to an ally of France. Prussia became an ally of Britain.[2] The most influential diplomat involved was Prince Kaunitz of Austria.[3]


It was part of the stately quadrille, which saw a constantly shifting pattern of alliances throughout the 18th century. It was part of efforts to preserve or upset the European balance of power.

Background[edit]

The diplomatic change was triggered by a separation of interests between Austria, Britain, and France. The Peace of Aix-la-Chapelle, after the War of the Austrian Succession in 1748, left Austria aware of the high price it paid in having Britain as an ally. Maria Theresa of Austria had defended her claim to the Habsburg throne and had her husband, Francis Stephen, crowned Emperor in 1741. However, she had been forced to relinquish valuable territory in the process. Under British diplomatic pressure, Maria Theresa had given up most of Lombardy and occupied Bavaria. The British also forced her to cede Parma to Spain and, more importantly, to abandon the valuable state of Silesia to Prussian occupation.

During the war, Frederick II ("the Great") of Prussia had seized Silesia, one of the Bohemian crown lands. That acquisition had further advanced Prussia as a great European power, which now posed an increasing threat to Austria's German lands and to Central Europe as a whole. The growth of Prussia, dangerous to Austria, was welcomed by the British, who saw it as a means of balancing French power.

Westminster Convention[edit]

The results of the War of Austrian Succession were clear that Britain no longer viewed Austria as powerful enough to check French power but was content to build up smaller states like Prussia. Therefore, Britain and Prussia, in the Westminster Convention (16 January 1756), agreed that Britain would not aid Austria in a renewed conflict for Silesia if Prussia agreed to protect Hanover from France. Protection of Hanover was important to Britain because it was a possession of its king. Britain felt that with Prussia's growing strength, it would be more apt to defend Hanover than Austria. Meanwhile, Austria was determined to reclaim Silesia so the two allies found themselves with conflicting interests. Maria Theresa, recognizing the futility of renewed alliance with Britain and so set out to align Austria with France, who could replace Britain as a valuable ally. Maria Theresa knew that without a powerful ally such as France, she could never hope to reclaim Silesia from Frederick.[4]

The agreement was followed by a more direct Anglo-Prussian Convention in 1758.

First Treaty of Versailles[edit]

Maria Theresa sent her foreign policy minister, Count Wenzel Anton von Kaunitz, to France to secure an alliance to enable Austria to reclaim Silesia. Kaunitz approached Madame de Pompadour, Louis XV's mistress, to intervene in the negotiations.[5] However, Louis XV proved reluctant to agree to any treaty presented by Kaunitz. Only with renewed aggression between France and Britain was Louis made to align with Austria.

Furthermore, Austria no longer surrounded France; instead, Frederick II had managed to end the prospect of Habsburg-German dominion bordering French lands. Therefore, France no longer saw Austria as an immediate threat and so entered into a defensive alliance with Austria. In response to the Westminster Convention, Louis XV’s ministers and Kaunitz concluded the First Treaty of Versailles (1 May 1756), both sides agreeing to remain neutral and to provide 24,000 troops if either one got into conflict with a third party.

Second Treaty of Versailles[edit]

Maria Theresa's diplomats, after securing French neutrality, actively began to establish an anti-Prussian coalition. Austria's actions alerted Frederick II, who decided to strike first by invading Saxony, commencing the Seven Years' War (1756–1763). Frederick's actions were meant to scare Russia out of supporting Austria (the two countries had previously entered into a defensive alliance in 1746). However, by invading Saxony, Frederick had inflamed his enemies; Russia, under the direction of Empress Elizabeth, sent an additional 80,000 troops to Austria. One year after the signing of the First Treaty of Versailles, France and Austria signed a new offensive alliance, the Second Treaty of Versailles, on 1 May 1757.

In it, Austria promised France the Austrian Netherlands, but in return, Maria Theresa would receive Parma as well as 129,000 French troops and the promise of 12 million livres every year until Silesia was returned to Austria.

Aftermath[edit]

As a result of this diplomatic revolution, Britain and Prussia faced Austria, France and Russia. Despite the reversal of alliances, however, the basic antagonisms remained: Prussia versus Austria and Britain versus France. All the tensions erupted during the Seven Years' War to which the Diplomatic Revolution is considered[by whom?] a prelude.

The war ended in a decisive victory for Britain and Prussia. Britain's control of the seas and Prussia's formidable army proved to be a winning combination, despite the attempts of France, Austria and their European allies to preserve the balance of power.

However, the Anglo-Prussian alliance proved to be short-lived largely because Britain withdrew financial and military support for Prussia in 1762. The dissolution of the alliance and the pre-eminent rise of Britain left it with no allies by the time the American Revolutionary War broke out.

See also[edit]

References[edit]

Notes[edit]

  1. ^ D.B. Horn, "The Diplomatic Revolution" in J.O. Lindsay, ed., The New Cambridge Modern History vol. 7, The Old Regime: 1713-63 (1957): pp 449-64.
  2. ^ Jeremy Black, Essay and Reflection: On the 'Old System' and the Diplomatic Revolution' of the Eighteenth Century" International History Review (1990) 12#2 pp. 301-323
  3. ^ Franz A.J. Szabo, "Prince Kaunitz and the Balance of Power." International History Review 1#3 (1979): 399-408. in JSTOR
  4. ^ Charles W. Ingrao, The Habsburg Monarchy (Cambridge University Press, 2000), 157-177.
  5. ^ Mitford, Nancy (31 March 2001). Madame de Pompadour. New York Review of Books. p. 213. ISBN 978-0-940322-65-3. Retrieved 21 February 2011. 

Further reading[edit]

  • Black, Jeremy. "Essay and Reflection: On the 'Old System' and the Diplomatic Revolution' of the Eighteenth Century" International History Review (1990) 12#2 pp. 301-323 in JSTOR
  • Coffin, Judith G. and Robert C. Stacy, Western Civilizations Volume II (2005), 568-570.
  • Cooper, Kirsten. "A Rivalry Ended? France and Austria during the Diplomatic Revolution and Seven Years War, 1756-1758" (PhD. Diss. Emory University, 2012) online.
  • Horn, D. B. "The Diplomatic Revolution" in J.O. Lindsay, ed., The New Cambridge Modern History vol. 7, The Old Regime: 1713-63 (1957): pp 449-64; comprehensive brief overview.
  • Ingrao, Charles W. The Habsburg Monarchy (Cambridge University Press, 2000), 157-177.
  • Schweizer, Karl W. War, Politics, and Diplomacy: The Anglo-Prussian Alliance, 1756-1763 (University Press of Amer, 1991).
  • Szabo, Franz A.J. "Prince Kaunitz and the Balance of Power." International History Review 1#3 (1979): 399-408. in JSTOR