Anglo-Prussian Alliance (1788)
The Anglo-Prussian Alliance was a military alliance between Great Britain and Prussia signed on 13 August 1788 in response to the Austro-Russian alliance. Its aim was to limit the expansion of Austria and Russia at the cost of the Ottoman Empire in the context of the Austro-Turkish War (1788–1791) and the Russo-Turkish War (1787–1792).
Source: Wikipedia — Anglo-Prussian Alliance (1788) (CC BY-SA 4.0)