Russia: Moscow Military district has sent 500,000 men to the front so far.
Britain: Stokes mortar trial successful, but turned down.
Flanders: French General Putz obtains details of planned gas attack from Private Jager, PoW of 234th Reserve Infantry Regiment, XXVI Corps taken near Langemarck. But he and BEF commanders are mistakenly suspicious that such detailed info is a German ‘plant’.
Meuse-Argonne: Germans claim that French are using mines emitting asphyxiating gases northwest of Verdun.
Afghanistan: 2nd German (Hentig) Afghanistan Mission leaves Berlin.
East Africa: Cruiser HMS Hyacinth cripples German blockade-runner Kronborg in Manza Bay, but 1,800 rifles, 6 MGs and 2 guns salvaged to reach Lettow as British learn on June 23.
Britain: German Navy Zeppelin L9 (Mathy) drops 31 IBs at Wallsend, Northwest England (2 civilian casualties).
Britain: Colonial Secretary says Dominions will be consulted on peace terms. Japan informs British government of German peace overtures.
Belgium: Belgium Red Cross suppressed.