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| YEAR | DATE | EVENT | PRESIDENT | |
| 1920 | 8 june | Russian provence | ||
| 1923 | 25 july | Russian Socialist Republic | ||
| 1940 | 31 march | Sovietic Socialist Republic |
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| YEAR | DATE | EVENT | PRESIDENT |
| 1956 | 16 july | Russian Socialist Republic |
| YEAR | DATE | EVENT | PRESIDENT |
| 1992 | 31 march | Russian Republic | Viktor Nikolayevich Stepanov |
| 1998 | 17 may | Sergey Leonidovich Katanandov | |
| 2010 | 17 july | Andrey Nelidov |