Western Ukrainian lands within Poland 1919–1939, Ukrainian youth organizations in Poland 1920-1939, Ukrainian insurgent movement 1930–1950

Western Ukrainian lands within Poland 1919–1939, School education in Halychyna 1930-1939, 1939 - 1941 - The first Soviet occupation of Galicia, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, Arrests in Western Ukraine 1949-1950

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, School education in Halychyna 1930-1939, 1939 - 1941 - The first Soviet occupation of Galicia, 1941-1944 - Nazi occupation of Ukraine

7. 11. 1917 - October Revolution in Russia, Western Ukrainian lands within Poland 1919–1939, Ukrainian youth organizations in Poland 1920-1939, School education in Halychyna 1930-1939, 1941-1944 - Nazi occupation of Ukraine and 1 more anniversaries