6 May

1915 (Thursday)

 * Second Battle of Ypres: British recover some trenches on Hill 60.
 * Austrians occupy Tarnow (Galicia).
 * Dardanelles: Second battle of Krithia begins (see 8 May and 28 April).
 * Mr. Harcourt makes a statement as to poisoning of wells by Germans in south-west Africa.