Russian Revolution
- the revolution in the Russian empire in 1917, in which the tsarist regime was overthrown and replaced by Bolshevik rule under Lenin俄国革命（1917年在俄罗斯帝国爆发的革命, 在这场革命中沙皇政权被推翻, 取而代之的是列宁领导的布尔什维克政权）。
There were two phases to the Revolution: the first, in March （Old Style, February, whence February Revolution）, was sparked off by food and fuel shortages during the First World War and began with strikes and riots in Petrograd (St Petersburg). The tsar abdicated, and a provisional government was set up. The second phase, in November 1917 （Old Style, October, whence October Revolution）, was marked by the seizure of power by the Bolsheviks in a coup led by Lenin. After workers' councils or soviets took power in major cities, the new Soviet constitution was declared in 1918.