March 1945 - the occupation of Upper Silesia by the Soviet army

2. 10. 1938 - Poland's annexation of Teschen area, September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII

September 1939- occupation of the entire Upper Silesia by Germany, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII and 1 more anniversaries

September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation

September 1939- occupation of the entire Upper Silesia by Germany, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, March 1945 - the occupation of Upper Silesia by the Soviet army and 2 more anniversaries

September 1939- occupation of the entire Upper Silesia by Germany, March 1945 - the occupation of Upper Silesia by the Soviet army