CAMPAIGN IN WESTERN EUROPE
May 18-24—Brisk raiding operations in all sectors, with varying success.
May 27—Germans resume their great offensive by delivering a terrific blow on a forty-mile front from around Vauxailion nearly to Rheims and take the Chemin des Dames and attack the French lines on the northern flank of the Lys salient between Voormezeele and Locre; Americans drive Germans back at three points in Picardy; long-range guns renew the bombardment of Paris; three persons killed, fourteen injured.
May 28—Americans take Cantigny; Germans advance about six miles on a nine-mile front from Vauxailion to Cauroy, take many towns, cross the Aisne and the Vesle Rivers, and drive a wedge to Fismes; Allies re-establish their line on the Lys-Ypres front east of Dickebusch Lake.
May 29—Germans take Soissons; Allies, with their centre forced back four miles, retire across the Vesle River and fall back on Rheims; Americans repulse three counterattacks at Cantigny; British make a successful raid southeast of Arras; French repulse a local attack north of Kemmel.
May 30—Germans held at both flanks near Soissons and Rheims; gain four miles in drive toward the Marne, take Fère-en-Tardenois and Vezilly; Americans defeat all attempts of the Germans to recover ground near Cantigny; French better their positions north of Kemmel; German attack near Festubert fails; German long-range gun resumes bombardment of Paris despite British promise not to carry out air raids on German cities on Corpus Christi Day.
May 31—Germans reach the Marne in an eight-mile drive, and are closing in on Château-Thierry; Americans make successful raid in the Woevre region and penetrate German line near Toul to a depth of 400 meters.
June 1—Germans turn west in their drive toward Paris, push forward along the Ourcq River six miles or more into the area beyond Neuilly and Chony, beat back the French between Hartennes and Soissons, press on northwest of Soissons, reaching Nouvron and Fontenoy, and attack east of Rheims.
June 2—French counterattacks slow up German drive between Soissons and Château-Thierry; Germans occupy Longport, Corcy, Faverolles, and Troesnes, but lose them all; Germans in possession of the eastern half of Château-Thierry; French hold the western half and recover ground southwest of Rheims.
June 3—Germans make slight gains west of Nouvron and Fontenoy, take Chaudun, and push ahead slightly west of Château-Thierry; French retake Faverolles north of the Ourcq.
June 4—American troops, co-operating with the French west of Château-Thierry, check the Germans, beating off repeated attacks and inflicting severe losses; Germans thrown back at all points except in the neighborhood of Veuilly-la-Poterie; British recover Thillois, southwest of Rheims.
June 5—Americans beat off two more attacks on the Marne battlefield; German advance checked all along the line; attempt to cross the Oise near Montalagache fails; French regain ground north of the Aisne near Vingre; British repulse a raid near Marlancourt.
June 6—American and French troops advance two-thirds of a mile in the neighborhood of Veuilly-la-Poterie; American marines gain two and a sixth miles on a two and a half mile front northwest of Château-Thierry; Germans recapture ruins of Locre Hospice.
June 7—American marines drive on two and one-half miles northwest of Château-Thierry, storm Torcy and Bouresches, and take Veuilly-la-Poterie in co-operation with the French.
June 8—Germans resume shelling near Montdidier; Americans again attack near Torcy and hold Bouresches against fresh assault; French push on north of Veuilly, reach the outskirts of Dammard, gain east of Chezy, and retake Locre Hospice.
June 9—Germans begin new offensive on a front of twenty miles extending from Montdidier to Noyon, and gain two and a half miles in the centre; Americans again repulse the enemy near Veuilly; Germans pound British positions between Villers-Bretonneux and Arras; Paris again shelled by long-range guns.
June 10—American marines penetrate German lines for about two-thirds of a mile on a 600-yard front in the Belleau Wood; Germans gain two and a half miles around Ressons and Mareuil.
June 11—French deliver two counterblows in the centre and left of the Noyon-Montdidier line, drive Germans back between Rubescourt and St. Maur, regaining Belloy, Senlis Wood, and the heights between Courcelles and Mortemer, and regain Antheuil, but lose Ribecourt, and are forced to give ground along the Oise, as German drive to the Matz River flanks their position; Americans take Belleau Wood; Australians drive Germans back half a mile on a mile and a half front between Sailly-Laurette and Morlancourt; Americans gain at Château-Thierry and cross the Marne.
June 12—French make further advances between Belloy and St. Maur, on the left of the Montdidier-Noyon line; Germans gain a foothold on the southern bank of the Matz River, occupying Melicocq and adjoining heights, and advance east of the Oise and on the Aisne flank; French win further ground east of Veuilly, and occupy Montcourt and the southern part of Bussiares.
June 13—French make successful counterattack against the German centre on the Matz, retaking Melicocq and Croix Ricard, and throwing the enemy back across the river; Germans gain a footing in the eastern end of the line in Laversine, Coeuvres, and St. Pierre-Aigle; Americans repel attempt to retake Bouresches.
June 14—German offensive west of the Oise ends; artillery fighting south of the Aisne and in the area between Villers-Cotterets and Château-Thierry.
June 15—British and Scottish troops in the Lys salient capture German forward positions on a front of two miles north of Béthune; French improve their position at Villers-Cotterets Forest; French recapture Coeuvres-et-Valsery, south of the Aisne; Americans repulse night raid south of Thiaucourt; announcement made that Americans are holding sectors in Alsace.
June 16—Americans drive Germans off with gas attacks northwest of Château-Thierry; French repulse Germans on the Matz River.
June 17—French improve their positions between the Oise and the Aisne, near Hautebraye; Germans drench American lines near Belleau with gas.
June 18—French improve their positions in local operations in the Aisne region.
ITALIAN CAMPAIGN
June 11—Italians repulse attacks at Monte Carno and Cortellazzo and east of Capo Sile.
June 14—Austro-Hungarian forces launch attack against the Italian lines on Cady Summit and the Monticello Ridge, but are beaten back.
June 15—Austrians begin great offensive on a 97-mile front from the Asiago Plateau to the sea.
June 16—Austrians cross the Piave River in the vicinity of Nervesa and in the Fagara-Musile area; Italians give way at the Sette Comuni Plateau and in the regions of Monte Asolone and Monte Grappa, but later re-establish their lines.
June 17—British and Italians check Austrians in the regions of Asiago and Monte Grappa; Austrians extend their gains west of the Piave River opposite San Dona di Piave and capture Capo Sile.
June 18—Austrians repulsed on the eastern edge of the Asiago Plateau and fail in attempt to cross the Piave between Meserada and Cardelu, a mountain position across Piave on their eastern flank, but suffer enormous losses.
BALKAN CAMPAIGN
May 31—Greek troops, supported by French artillery, capture strong enemy positions of Srka di Legen, on the Struma front.
June 2—Greeks enlarge their gains west of Srka di Legen.
June 11—Serbs repulse attacks in the region of Dobropolje.
CAMPAIGN IN EAST AFRICA
May 19—Nanungu occupied by the British.
May 24—Announcement made that direct communication had been established between the advanced troops of Brigadier Edward's column, advancing westward from Port Amelia, and Major Gen. North's troops, advancing eastward from Lake Nyassa.
CAMPAIGN IN ASIA MINOR
May 22—British advance north of Tekrit on the Tigris to Fatha.
May 29—Turks on the Irak front occupy Kirkuk.
June 14—Turks occupy Tabriz in Persia.