28 April

1915 (Wednesday)

 * Second Battle of Ypres: German offensive definitely stopped.
 * Germans bomb Dunkirk, Pervyse and Nancy; French bomb Friedrichshafen.
 * Germans storm French position at Les Mesnils.
 * Very powerful Austro-German offensive under von Mackensen begins between the Dunajec and Biala Rivers (west Galicia). Russians driven back.
 * Dardanelles: Allied forces, aided by HMS Queen Elizabeth, advance on Krithia; First Battle of Krithia (see 6 May).
 * Skirmishes east of the Suez Canal.
 * Germans defeated at Gibeon (German south-west Africa).
 * South African Government publishes a Blue Book on the rebellion.
 * British Government conclude a treaty with the Idrisi for co-operation against the Turks (see 31 January).