1 April

1915 (Thursday)

 * British air raid on Zeebrugge and Hoboken.
 * Germans occupy Cloister Hoek (near Dixmude).
 * Russian advance checked in western Poland but make progress in the Carpathians.
 * Bulgarian Komstodjis attack the Serbs at Valandovo.
 * Russians occupy Tsria (Transcaucasia).
 * South African forces occupy Hasuur (German south-west Africa).
 * British SS Seven Seas torpedoed off Beachy Head.
 * Bismarck centenary celebrations.
 * Herr Dernburg is interviewed by New York Times and justifies sinking of SS Falaba.
 * Scheme for a Dockers' Battalion at Liverpool published.