Western Front
Kaiserschlacht: Operation Blücher-Yorck. Known to the Allies as
Battle of the Aisne 1918 or
Third Battle of the Aisne: Germans cross the Aisne on 18-mile front; battle of plateau between Aisne and Vesle, Allies fall back, Germans force passage of Vesle. Allies left and right wings make stand at Vregny plateau and heights of St. Thierry. Germans now have 40-mile wide, 15-mile deep bridgehead across Aisne, also cross the Vesle. Ex-BEF GHQ liaison officer General des Vallieres, French 151st Division Commander, killed by German machine-gun at Juvigny. Allied stand at Vregny plateau and heights of St Thierry as 3 reserve divisions arrive. German officer reports ‘regrettable excesses … serious drunkenness’. Germans capture Magneux airfield on Aisne with all its aircraft. A second French bomber group joins Aisne air battle.
German troops on the advance: © IWM (Q 88094):
https://twitter.com/CenturyAgoToday...782450623119360
German troops advancing on Fismes during the 3rd Battle of the Aisne: © IWM (Q 55017):
https://twitter.com/CenturyAgoToday...123499329642498
Tired British soldiers sleep in a ditch while a French soldier stands guard: © IWM (Q 6681):
https://twitter.com/CenturyAgoToday...153695915167744
Line restored south of Ypres.
Battle of Cantigny: First AEF offensive operation, by US 28th Infantry Regiment (3,874 men; 823 casualties), 1st Division captures village and beats off 3 counter-attacks by German 82nd Reserve Division (c.1,000 casualties) until May 29.
US troops supportted by French Schneider tanks advance during the Battle of Cantigny:
https://i0.wp.com/ww2-weapons.com/w...tigny.jpg?ssl=1 and
https://twitter.com/CenturyAgoToday...138599985909761
“Big” British R.A.F. raids into Germany: 10 DH9s of No 99 Squadron attack rail targets at Bensdorf.
A British soldier in a ditch with his pet dog at Guyencourt: © IWM (Q 6682):
https://twitter.com/CenturyAgoToday...078189832265729
British tank captured by the Germans:
https://twitter.com/CenturyAgoToday...093297375465473
Eastern Front
The Cossacks of the Don notify Ukraine Government of their opposition to the Soviets and of independence of the rest of Russia.
Southern Front
Italy: Two Austro-Hungarian counter-attacks repulsed at Capo Sile. General Armando Diaz informs Ferdinand Foch and CIGS Sir H Wilson that he has postponed his own offensive (towards Valsuguna) to deal with imminent Austrian one.
British aeroplanes bomb Cattaro.
Asiatic and Egyptian Theaters
Palestine: British advance two miles north from Jaffa.
Armenia: Battle of Karakilise (until May 28): Severe fighting near Alexandropol (90 miles south of Tiplis).
Siberia: Colonel Grigory Semyonov forced by Bolsheviks to retire to right bank of Onon (Mongolia).
Political, etc
Between warring powers: British Government opens negotiations with Germany for direct exchange of prisoners on lines of Franco-German Convention.
Armenia: Armenia declares her independence. The documents of Armenia and Azerbaijan's declaration of independence:
https://twitter.com/CenturyAgoToday...046691049541636