The Cruiser ‘Aurora’, pictured on the River Neva

8. The cruiser Aurora on the river Neva which fired the shot that was the signal for insurrection

Source: Marx Memorial Library (MML)
Reference: PHOTO_SUB_SOVIET_UNION_1917_REVOLUTION+CIVIL_WAR_PERIOD

The Cruiser Aurora was moored on the River Neva in Petrograd as the Revolution took place. A shot from one of its guns was the signal for the Storming of the Winter Palace, to be the final offensive of the October Revolution.