In the Baltic Sea, Russian submarine Gepard was sunk in minefield west of Oesel Island. German minesweeper M.68 was sunk on a mine off the mouth of the Dvina River, near Riga.

At Petrograd, the Petrograd Soviet, led by Leon Trotsky, established the MRC (Military Revolutionary Committee), which was to co-ordinate the approaching military action. On 30 October, in Berlin, German Chancellor Michaelis resigned and was succeeded by Count Georg von Hertling, who took over on 1 November.

On 31 October, in Finland, Germans arms and munitions were landed by sea at Vastero, near Vaasa, along with three Jaeger instructors, to arm Home Guard units (White Finns).

In the Black Sea, in an early morning raid two large Russian destroyers bombarded ships in Igneada harbor, sinking Turkish torpedo boat Hamidabad with heavy loss of life, plus damaging two steamers. Three minesweepers managed to escape destruction by running aground.

During October, the Moscow Patriarch, Metropolitan Tikhon was elected Patriarch of the Russian Orthodox Church.

By the end of October, total Russian debt had reached 70 billion (milliard) rubles, of which 15.7 billion were internal long-term loans; 25 billion were foreign long-term loans, of which 15.5 was owed to France, 7.5 to Britain , 3.23 to other countries; and 28.3 in paper money and short-term loans. The interest and sinking fund on the total debt was over 4.5 billion rubles. Over two billion of this was directly payable to foreign banks and other governments.

During late October, it was estimated that the Provisional Government now had at least seven armored trains, plus 52 armored car units, composed of about 300 cars.

On 1 November, at Petrograd, there was much unrest in the capital. The Bolsheviks were threatening armed action.

In the Black Sea, on learning that Breslau had sortied, Russian Fleet commander Admiral A.V. Nemits ordered his warships to pursue her. The crew of the battleship Svobodnaya Rossiya refused to obey their commander and sailed back to Sevastopol. The others in two groups continued their operation but failed to encounter the Breslau.

The Russian Army now had a strength of 5,925,000 men of all ranks, of which 2,143,500 were actual combatants.