2 May

1915 (Sunday)

 * Second Battle of Ypres: German attack repulsed near St. Julien.
 * Austro-Germans take Gorlitse and Ciezkowica and cross the Biala (Galicia).
 * Russians take Mt. Makovoka (near Styrj), but lose it again.
 * Dardanelles: Turkish attack and Franco-British counter-attack; British fail at Gaba Tepe.
 * Russian Black Sea fleet shells the forts on the Bosporus.
 * Union forces occupy Otjimbingwe (German south-west Africa).
 * Turkish Minister of War sends British and French subjects into the danger zone at Gallipoli.