The Third Battle of the Aisne (see June 2): the Germans launch an offensive north-west of Rheims; they carry the whole line of the Chemin-des-Dames and advance rapidly to the Aisne, which they cross on a front of eighteen miles; on the left of the German attack British troops hold their ground north of Rheims.
Between Locre and Voormezeele the French repulse a German attack.
The bombardment of Paris by long-range guns is renewed.
May 28 (Tues.)
The Germans advance rapidly south of the Aisne; they force the line of the Vesle.
American troops capture a German salient at Cantigny, north-west of Montdidier.
May 29 (Wed.)
The Germans capture the Vrégny Plateau and Soissons (see Aug. 2), and advance south of the Vesle.
May 30 (Thur.)