Quadruple Alliance

Quadruple Alliance, alliance first formed in 1813, during the final phase of the Napoleonic Wars, by Britain, Russia, Austria, and Prussia, for the purpose of defeating Napoleon, but conventionally dated from Nov. 20, 1815, when it was officially renewed to prevent recurrence of French aggression and to provide machinery to enforce the peace settlement concluded at the Congress of Vienna. The members each agreed to put 60,000 men in the field in the event of...