May 26 (Sat.)
The British hospital ship Dover Castle is sunk by a submarine in the Mediterranean (6 lives lost).
May 27 (Whit Sunday)
The Isonzo Front:—The Italians reach the third Austrian line of defence; San Giovanni is captured.
May 28 (Mon.)
French Socialists resolve to attend the Stockholm Conference (see June 1).
May 29 (Tues.)
The French liner Yarra is sunk by a submarine in the Mediterranean.
May 31 (Thur.)