… began in Russia on this date in 1917.
The February Revolution was the first stage of the Russian Revolution. Mostly bloodless, it led to the abdication of Tsar Nicholas II. Ultimately, the regime begun in the February Revolution was replaced during the October (Bolshevik) Revolution.
[Russia was still using the Julian Calendar in 1917. Hence, March 8 elsewhere was February 23 in Russia; November 7 was October 25 .]