The February Revolution was an event in Russia beginning in 1917. This revolution was a result of Russia's decision to join WWI despite their lack of industrilization and weaponary. This war caused mass casualties as well and food shortages in their home country. These starving citizens then took to the streets of Russia to protest.
The February Revolution entailed many many protests, some of which by the end had now included Russian soldiers. Following this act Russia was now put into an anarchy and forced Nicholas II to abdicate. Also resulting in a new profisional government.
Immedialey following the February Revolution the Otctober Revolution took place. The last major period of the Russian Revolution. In that period the Bolsheviks and their leader Vladamir Lenon siezed power and begin the reign of the Soviets.