(Awake the twelfth lunar month, the fourth day), January 13, 1815, Britain, France, Austria signed the "Treaty of Vienna.

Vienna during the meeting, Austria, France, Austria Three secret alliance, on January 3, 1815 Vienna against Russia and Prussia signed. Its purpose is to prevent Russia Poland and Prussia Saxony, the treaty provides that a Contracting State when subjected to threats and attacks, and the other two countries should intervene, and 150,001 soldiers in military aid. Bavaria, Hanover, Netherlands and other countries have joined the alliance.