British naval forces destroy the Zeppelin L 22 in the North Sea.
An Austrian naval force sinks 14 British drifters in the Adriatic and escapes to harbour.
May 16 (Wed.)
It is announced that Major-General J. L. van Deventer is appointed to supreme command in East Africa, in succession to Major-General Hoskins (see Jan. 28).
Russia:—M. Miliukoff resigns: a Coalition Government is formed, with Prince Lvoff as Premier and M. Kerenski as War Minister.
The end of the First Battle of Arras (see April 9).
May 17 (Thur.)
Honduras breaks off diplomatic relations with Germany.
The British complete the capture of Bullecourt on the Siegfried line (see May 12).
The Isonzo Front:—The Italians win the western slopes of Monte Santo.