8 May

1915 (Saturday)

 * Second Battle of Ypres: British lose Frezenberg Ridge under terrific shelling.
 * Battle of Frezenberg Ridge (Ypres) begins (see 13 May).
 * Second Battle of Krithia ends (see 6 May and 4 June).
 * Battle of Sanok and Rzeszow begins (see 14 May).
 * Germans take Libau.
 * Further Russian retreat in Galicia.