EntityQ987667· pop 8· linked from 27 articlesQuintuple AllianceSign in to save1818 alliance of European nationsConnectionsLjubljanaEntityRussian EmpireCountryWikisourceEntityAachenEntityAlexander I of RussiaEntityAustrian EmpireEntityCongress of ViennaEntityKingdom of PrussiaEntityUnited Kingdom of Great Britain and IrelandEntityOpavaEntityHoly AllianceEntityBourbon Restoration in FranceEntityBattle of NavarinoEntityConcert of EuropeEntityCongress of Aix-la-Chapelle (1818)EntityCongress of VeronaEntityCongress of LaibachEntityQuadruple AllianceEntityCongress of TroppauEntityHundred Thousand Sons of Saint LouisEntityCategories1818 in France1818 in the United Kingdom1818 treaties19th century in the Kingdom of Prussia19th century in the Russian Empire19th-century military alliances5 (number)Aftermath of the Napoleonic WarsAlexander I of RussiaAustrian EmpireLate modern EuropeMilitary alliances involving Austria