- A British War Office memorandum to medical officers and nurses on hospital shops operating from Gallipoli states:
All grades and degrees of the medical staff must make it a point of professional honour to maintain a hearty tone of optimism calculated to raise rather than lower the confidence and courage of the fighting men who have been temporarily committed to their charge.
- French and British troops in Salonika begin their push north to relieve Serbia
- King Constantine I of Greece refuses to support Prime Minister Eleftherios Venizelos, who resigns for the second time
- Russia severs diplomatic relations with Bulgaria