2 April

1915 (Friday)

 * German attack stopped at Bagatelle (Argonne).
 * French air raids on German aviation camps in Belgium and Lorraine.
 * Russian cavalry defeat German cavalry in northern Poland.
 * Russians take Cigielka (Carpathians).
 * Trawlers Jason, Gloxinia and Nellie sunk in North Sea by submarine SMU U-10.
 * American Note to Great Britain on the blockade.
 * Correspondence between Great Britain and Germany as to submarine crews taken prisoner by former, published.
 * Austria offers Italy a rectification of frontier in the Trentino.