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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER | GOVERNOR |
| 1940 | 21 july | 13° Socialist Republic of URSS | Johannes Vares "Barbarus" | Johannes Vares "Barbarus" | |
| 1940 | 25 august | Johannes Lauristin | |||
| 1941 | 7 july | German occupation | Hjalmar Mäe | ||
| 1944 | 17 september | 13° Socialist Republic of URSS | Johannes Vares "Barbarus" | Arnold Veimer | |
| 1946 | 29 november | Nigol Andresen | |||
| 1947 | 5 march | Eduard Päll | |||
| 1950 | 4 july | August Jakobson | |||
| 1951 | 29 march | Aleksei Müürisepp |
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| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1953 | 6 february | |||
| 1958 | 4 february | Johan Eichfeld | ||
| 1961 | 12 october | Aleksei Müürisepp | Valter Klauson | |
| 1970 | 7 october | Aleksander Ansberg | ||
| 1970 | 22 december | Artur Vader | ||
| 1978 | 25 may | Meta Vannas | ||
| 1978 | 26 july | Johannes Käbin | ||
| 1983 | 8 april | Arnold Rüütel | ||
| 1984 | 18 january | Bruno Saul | ||
| 1988 | 16 november | Indrek Toome |
| YEAR | DATE | EVENT | HEAD OF STATE | PRIME MINISTER |
| 1990 | 8 may | Republic of URSS | Arnold Rüütel | Edgar Savisaar |