Modern era · 1815

Quadruple Alliance

The Quadruple Alliance (Russian: Четверной союз, romanized: Chetvernoy soyuz, German: Vierfache Allianz) 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 Napoleon I and to fight the War of the Seventh Coalition.

Quadruple Alliance · Wikimedia Commons
When
20 Nov 1815
Where
—
Era
Modern

Before and after

Text from the Wikipedia article Quadruple Alliance (1815), CC BY-SA 4.0