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| 1755 |
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| First Russian university founded at Moscow. | 1 |
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| 1756–63 |
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| Seven Years' War (See 1756–63). | 2 |
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| 1756 |
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| The senate determined that only gentry of proven heritage could be entered into the gentry registers. | 3 |
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| 1758 |
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| Anyone owning serfs who was not a member of the gentry was forced to sell his serfs. | 4 |
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| 1762 |
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| PETER III. As an intense admirer of Frederick the Great, he effected Russia's withdrawal from the war, thereby causing much resentment among the officers and the aristocracy (despite his proclaiming the freedom of the nobility from obligatory state service). After a six-month reign, Peter was deposed by a military revolution led by the Orlov brothers. A few days later he was killed while in captivity. Peter was succeeded by his wife, Catherine II. | 5 |
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| March 1 |
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| Gentry requirements of service to the state abolished. | 6 |
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