noun
October Revolution
Refers specifically to the Russian October Revolution of 1917. In Japanese historical context, it is called 十一月革命 (November Revolution) because Russia used the Julian calendar at the time.
See also: 十月革命
十一月革命はロシアの歴史において重要な転換点だった。
The October Revolution was a crucial turning point in Russian history.
noun
German Revolution
Refers to the German Revolution of 1918–1919. In Japanese, it is also called ドイツ革命.
See also: ドイツ革命
十一月革命の結果、ドイツ帝国は崩壊した。
As a result of the German Revolution, the German Empire collapsed.