May 16 (Thur.)
A British air-raid on Saarbrücken.
May 17 (Fri.)
Great Britain:—A number of Sinn Fein leaders are arrested in connection with the discovery of a German-Irish plot.
Albania:—French and Italian forces advance on a sixteen-mile front.
May 18 (Sat.)
British airmen raid Cologne by daylight.
May 19 (Whit Sunday)
Ville-sur-Ancre is captured by Australian troops.
The Italians capture Austrian positions at Capo Sile (north of the Venetian lagoons).