Victory of the Great October Revolution in Ukraine. The expulsion of the German invaders and the bankruptcy of the Central Rada and the hetman Skoropadsky. The Entente's military intervention in the south and the seizure of power in Ukraine by the Petliura Directory. Restoration of Soviet power and the first steps of socialist construction in Ukraine. The defeat of the third campaign of the Entente and the remnants of the Petliura troops. The struggle of party organizations of Ukraine for the restoration of the national economy and the final elimination of counter-revolution.