Australian soldiers on a frozen pond in the grounds of Henencourt Chateau, Somme, January 1917. Image courtesy Australian War Memorial.
- The French winter of 1916-17 is the harshest in 40 years; it is bitterly cold, with driving rain, mud and snow. Over 20,000 Australian soldiers are evacuated from the trenches suffering from exhaustion, frostbite, pneumonia and trench foot.
- British troops in Mesopotamia make considerable progress on the right bank of the Tigris River south-west of Kut-al-Amara
