16.—Bullecourt captured by British in the Arras battles.
17.—Honduras breaks with Germany.
18.—Conscription bill signed by President Wilson.
19.—Nicaragua breaks with Germany.
22-26.—Italians advance on the Carso.
June
4.—Senator Root arrives in Russia at head of commission appointed by President.
5.—Registration day for new draft army in United States.
7.—Messines-Wytschaete ridge in English hands.
8.—Gen. Pershing, Commander-in-Chief of American expeditionary force, arrives in England en route to France.