5 November

Western Front

 * Germans repulsed at Le Quesnoy-en-Santerre (Roye).

Eastern Front

 * Poland: Germans in retreat move their headquarters back to Chenstokhov.

Southern Front

 * Montenegro: Invasion by Albanians checked.

Political

 * Great Britain declares war on Turkey and annexes Cyprus.
 * The Kaiser is removed from the Navy List.
 * Italy: Salandra Cabinet reconstructed.