This book is the reflections of the historians of Lviv, Ivano-Frankivsk, Rivne, Lutsk on the socio-political, cultural and educational life of Galicia and Volhynia between the two world wars, under Polish entertainment, during the Ukrainian-Polish confrontations - from the war of 1918-1919 to the Volyn tragedy of 1943, during which both Poles and Ukrainians died.