| 1 | The Bolsheviks, led by Lenin, overthrew Alexander Kerensky's government in Petrograd. | |
| 2 | Ultimately, it took the Bolsheviks less than forty-eight hours to seize control of Petrograd. | |
| 3 | Bolsheviks in Lenin returned to Petrograd Menshevik support even before the adoption of the interim government's policy. | |
| 4 | Noted for its fine architecture and cultural achievements, the city was called Petrograd from 94 to 924. | |
| 5 | Primary centres of armoured equipment production became the locomotive- and wagon-building factories as well as automobile factories at Nizhnij Novgorod, Kolomna, Brjansk, Petrograd and Moskva. |