East Prussia: Russians advance in Niemen border area and progress near Suvalki on April 9.
Carpathians: Marwitz’s Beskidenkorps counter-offensive with 2 divisions until April 8 claims 6,000 PoWs, storms Hill 992 (southwest of Kosziowa on April 9); all captors win Iron Cross.
Austrian CoS Conrad tells German CoS Falkenhayn war with Italy inevitable, but not allowed to transfer 7 divisions from Galicia.
Serbia: Serb guns silence Austrian bombardment of Belgrade, but monitor repeats on April 10.
Aegean: Allied battleships shell Smyrna (and on April 22).
Greek note to Bulgaria and latter’s note to Serbia on Komitadji irregular outrages.