The Austrians advance in the Trentino.
May 16 (Tues.)
A Turkish force is defeated by an Australian detachment in the Sinai Peninsula.
May 17 (Wed.)
Verdun:—Fresh German attacks on Hill 304 are unsuccessful.
British monitors engage German destroyers off the Belgian coast and put them to flight.
May 18 (Thur.)
An Air Board is constituted in Great Britain.
The Italians retire in the Trentino.
Sinai Peninsula:—A British raid on El Arish.