Gallipoli: 36,000 Turkish soldiers (more than 2 divisions) leave for Mesopotamia.
Southern Cameroons: French Southern Force takes Mansin, French Campo column captures Ngat on January 23 and reaches Ekob on January 30.
Britain buys 800,000t of Rumanian wheat; Austro-German protest on January 26.
Britain: First Derby scheme recruits called up. Munitions Ministry invites schools and universities to help with inventions.