Western Front
Cambrai: German attacks on British east of Bullecourt repulsed (and on January 8), trench raid near Bullecourt on January 8. Two German raids near Hollebeke. Germans raid British post near Flesquieres, both sides raid in sector on January 19.
YpresÂ: German raid repulsed.
Air War
Germany: 5 Navy airships (L46, L47, L59, L58 and SL20) destroyed by explosions and fire at Ahlhorn (petrol fire under L59 rear gondola likely, or sabotage), 15 dead.
Italy: 74 Royal Flying Corps aircraft serviceable, later 1918 strength varies from 65 to 91.
Politics
Britain: Lloyd George war aims speech to TUC Manpower London Conference envisages peace based on moral principle and League of Nations war alternative. No intention of molesting Turk homelands, Straits to be internationalized.