21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1949 Greek civil war, 28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 17. 11. 1939 – Closure of Czech universities, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

1944 - 1949 Greek civil war, 6.4. - 23.4.1941 Battle of Greece

28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war, 21. 8. 1968 - Invasion of the Warsaw Pact troops

28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war

28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war, 21. 8. 1968 - Invasion of the Warsaw Pact troops

28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war, 1948 - 1955 - Tito - Stalin split

1. 9. 1939 - The outbreak of the WW2, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1944 - 1949 Greek civil war, 28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1949 Greek civil war, 28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece