- Began with (bread) riots and strikes in Petrograd (St. Petersburg; Petrograd: Leningrad)
- Feb.(March) revolution ousted the Tsar (abdication = giving up your throne)
- aimed to replace him with a provisional government
- diarchy (two power sources) ensues
- petrograd soviet and the provisional government the two strong factions
- provisional gov't led by Prince Lvov
- Replaced by Alexander Kerensky
- Both try to keep Russia in WW1
- Unpopular