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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1945 | 5 may | Czechslovach Republic | Edvard Benes (II) | Zdenek Fierlinger |
| 1946 | 3 july | Klement Gottwald | ||
| 1948 | 14 june | Czechslovach Popular Democratic Republic | Klement Gottwald | Antonín Zápotocký |
| 1953 | 14 march | Antonín Zápotocký | Viliám Siroký | |
| 1957 | 13 november | Viliám Siroký | ||
| 1957 | 19 november | Antonín Novotný | ||
| 1960 | 11 july | Czechslovach Socialist Republic | Antonín Novotný | Viliám Siroký |
| 1963 | 22 september | Josef Lenárt | ||
| 1968 | 30 march | gen. Ludvík Svoboda | Oldrich Cerník | |
| 1969 | 1 january | Czechslovach Federal socialist Republic | gen. Ludvík Svoboda | Oldrich Cerník |
| 1970 | 28 january | Lubomír Strougal | ||
| 1975 | 29 may | Gustáv Husák | ||
| 1988 | 11 october | Ladislav Adamec | ||
| 1989 | 10 december | Marián Calfa | Mariam Calfa | |
| 1989 | 29 december | Vaclav Havel | ||
| 1990 | 29 march | Czechslovach Federal Republic | Vaclav Havel | Mariam Calfa |
| 1992 | 1 july | Jan Stráský | ||
| 1992 | 20 july | Jan Stráský |