Feb. 22—American troops in Chemin des Dames sector.
Mar. 3—Peace treaty between Bolshevik Government of Russia and the Central Powers signed at Brest-Litovsk.
Mar. 4—Treaty signed between Germany and Finland.
Mar. 5—Rumania signs preliminary treaty of peace with Central Powers.
Mar. 20—President Wilson orders all Holland ships in American ports taken over.
Mar. 21—Germans begin great drive on 50-mile front from Arras to La Fere. Bombardment of Paris by German long-range gun from a distance of 76 miles.
Mar. 29—General Foch chosen commander-in-chief of all Allied forces.
Apr. 9—Second German drive begun in Flanders.
Apr. 10—First German drive halted before Amiens after maximum advance of 35 miles.
Apr. 15—Second German drive halted before Ypres, after maximum advance of 10 miles.