Alexander I as King of Poland and the Incorporation of the Duchy of Warsaw into the Russian Empire in 1815
Alexander I, King of Poland, Tsar and Autocrat of All the Russias
Just a reminder of Russia's borders before 1918: in 1815 the greater part of the Duchy of Warsaw became part of the Russian Empire as the Kingdom of Poland, or the Vistula Land, until everything fell apart in 1918
