The British advance east of the Vimy Ridge and astride the Scarpe: Arleux is captured.
The French offensive on the Aisne is checked.
April 29 (Sun.)
The British approach the Oppy line; they capture a mile of German trenches and 976 prisoners; fierce German counter-attacks are repulsed.
General Pétain is appointed Chief of the French Staff.
April 30 (Mon.)
Mesopotamia:—General Maude defeats the 13th Turkish Army Corps at the gorge of the Shatt-el-Adhaim (where the river cuts the Jebel Hamrin range).
H.M.S. Tulip (sloop—employed as Special Service ship) is sunk by a submarine in the Atlantic.
May 1 (Tues.)