Congress Poland, Congress Kingdom of Poland, or Russian Poland, formally known as the Kingdom of Poland, was a polity created in 1815 by the Congress of Vienna as a semi-autonomous Polish state and successor to Napoleon's Duchy of Warsaw.It was established in the ethnically Polish lands ceded by the French to the Russian Empire following Napoleon's defeat. …

Lviv Anti-Fascist Congress of Cultural Workers was an event that brought together the progressive intellectuals of Poland, Western Ukraine, and Western Belarus.It took place on May 16-17, 1936 in Lviv, being organized by the Communist Party of Poland along with the Communist Party of Western Ukraine in order to create the united front against Fascism.