Flanders – Ypres: Gas attacks near St Julien-Fortuin. These and similar ones on next day are repulsed.
Galicia: After 4-hours bombardment (700,000 shells) Austro-Germans capture Gorlice and Ciezkowica, cross river Biala.
Gallipoli: Allied counter-attack fails (c.4,800 casualties).
USA: German notices in New York press warn that ships flying Allied flags are targets in war zone.