Western Front
Verdun: Violent German attacks gain ground at Hill 304 (attacks fail following day) and Fort Douaumont.
Eastern Front
Austria: Military intelligence discovers 4 Russian corps of Brusilov between Kolki and Rovno but warning disregarded.
Middle East
Mesopotamia: Khalil Pasha orders 6,000 Turks with 14 guns from Kut to Persian frontier.
African Fronts
South Algeria: French defeat Tuareg revolt until May 9. Leader Firhoun killed on May 25 and submission by September 1.
Occupied countries
Serbia: Serb Government set up at Salonika (Greece).
Home Fronts
Germany: Unpopular and ill Interior Minister Delbrück resigns.