The Russian Winter is a common explanation for military failures of invaders in Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

. Common nicknames are General Frost, General Winter and General Snow. Another was "General Mud"( see "rasputitsa

Rasputitsa

The rasputitsa refers to the biannual seasons when unpaved roads become difficult to traverse in parts of Belarus, Russia and Ukraine. The word may be translated as the "quagmire season" because during this period the large flatlands become extremely muddy and marshy, as do most unpaved roads...

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The average and minimum temperatures differ among Russian regions. Winter is most severe in hinterland Yakutia (where no major armed conflicts happened to date), with the lowest temperature about −65°C.