Western Front
No 56 Squadron (SE5s) destroys 4 Albatros fighters (1 credited to Albert Ball) on its first patrol. Despite initial problems with the engine and only one machine gun in front of the pilot (another on the upper wing), the SE5 together with the Sopwith Camel eventually ended the superiority of the German Albatros fighters:
https://i2.wp.com/ww2-weapons.com/w...4/SE5.jpg?ssl=1
Artois: Falkenhausen removed from German Sixth Army probably for poor defensive tactics, replaced by O Below (until September 9), Colonel Lossberg already able new CoS, since April 11.
British capture southern part of Trescault (east of Havrincourt Wood, below Bapaume-Cambrai road).
Germans bombard Reims; French repulse German attack on Moronvillers massif.
British gunners rowing ammunition on a pontoon boat up the Scarpe River © IWM (Q 5830):
https://twitter.com/CenturyAgoToday...3718272/photo/1
Eastern Front
Baltic Provinces: Hutier made C-in-C German Eighth Army (until December 12), replaces Scholtz. Count Kirchbach takes over Army Detachment D (until December 12).
Southern Front
Macedonia: General Scholtz (from Eighth Army, Eastern Front) replaces Below (see Western Front) in command of German Eleventh and Bulgarian First Armies (Army Group Scholtz) for duration of war.
KG 1 bombs British bivouacs near Yanesh.
Asiatic and Egyptian Theaters
British continue their attack on Turks in retreat from Istabulat on west bank of Tigris and on west bank of Shatt-el-Adhaim.
British artillery getting ready to fire on Ottoman positions south of Samarrah. Note the battery commander using a pole to spot for the guns:
https://twitter.com/CenturyAgoToday...5590656/photo/1
Political, etc
Austria-Hungary: Allies reject Prince Sixtus peace approach.
Germany: Germany orders all striking workers to return to work within 24 hours or else they will be conscripted (but a different source has this order already issues for the other day).
Kaiser Wilhelm congratulates his son the Crown Prince for “steelhard” resistance against the French at the Aisne.
France: To conserve food, France orders all restaurants to have one meatless day per week. Butchers will also have to close by 1 pm.
United States: Balfour’s British Military Mission arrives in Washington; French Military Mission arrives New York on April 24. People of Washington D.C. welcome the visit of British Foreign Secretary Balfour:
https://twitter.com/CenturyAgoToday...4391937/photo/1
U.S. National Championship for tennis (US Open) will be renamed the National Patriotic Tournament & no trophies will be given.