Flanders:General Putz takes over Detachement de Belgique (aka Groupement d’Elverdinghe).
General Bülow of German Second Army put on retired list after suffering a stroke, F Below succeeds (until July 19, 1916).
Austrian CoS Conrad requests German attack in Gorlice sector. Carpathians: After snowstorms (April 2-3) Brusilov reaches Sztropko, 15 miles (ca. 24 km) inside Hungary, west and east of Lupkow Pass.
Aegean: Wright Navy plane from HMS Ark Royal drops six 20lb (ca. 9 kg) bombs on Turk torpedo boats at Smyrna.