- At Salonika the second British division committed to the expedition beings to unload.
- In Greece the government of Alexandros Zaimas, appointed by Constantine a month ago when the monarch split with the pro-Entente former Prime Minister Eleutherios Venizelos, has been unable to securing a working majority in the Greek parliament, dominated as it is with supporters of Venizelos. As a result, Zaimas' government tenders its resignation today, and while a new government of 'national unity' (though excluding Venizelos' supporters) under Stephanos Skouloudis is appointed, Constantine also dissolves parliament for new elections.
- On October 30th, the French submarine Turquoise, the first to operate in the Sea of Marmara, had run aground and captured intact. Admiral Souchon had been shocked by the state of Turquoise, and writes to his wife today 'how the French commander could come into the Marmara in the defective boat is incomprehensible.' However, aboard the French submarine the Germans had discovered papers that referred to a planned rendezvous today with the British submarine E20. This allowed the German submarine UB14 to set a trap, and when E20 arrives for the supposed rendezvous it is instead torpedoed and sunk.
|The French submarine Turquoise.|
- Having left Bardia after delivering its cargo to the Senussi, the German submarine U35 comes across and sinks the British armed steamer Tara, and subsequently tows the lifeboat full of survivors back to Bardia as prisoners for the Senussi.