All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Tuesday 26 September 1815 1
1815Holy Alliance FormedRussia, Austria and Prussia pledge Christian governanceEmperor Alexander I of Russia, Emperor Francis I of Austria, and King Frederick William III of Prussia signed the Holy Alliance in Paris, pledging to govern according to Christian principles and uphold the conservative post-war order. The alliance became a symbol of reactionary politics in Europe.