Western Front
The contingent of regular United States troops arriving in France (see May 19th) reaches approximately 14,000 personnel.
Aisne: French capture ‘Dragons’s cave’ near Hurtebise.
Canadian troops advance on a 1.5-mile front southwest of Lens, while British troops carry out raids along a 45-mile front.
Southern Front
Trentino: At 0230 hours surprise Austrian attack by 7 battalions with 103 guns and mortars in close support recaptures all 3 Mt Ortigara heights and repulses 7 Alpini battalions in evening (and on June 26). Italian losses 5,633 men (including c.1,800 PoWs).
Austrian 10cm M10 mountain howitzer in action:
https://i0.wp.com/ww2-weapons.com/w...t-how.jpg?ssl=1
Naval and Overseas Operations
Black Sea: The Turkish cruiser
Medilli (formerly the German cruiser
Breslau) destroys Russian radio station and lighthouse on Fidonisi Island.
Adriatic: Vice-Admiral Cerni becomes Italian Fleet C-in-C under Revel’s supervision.
Britain: Admiralty forms Convoy Section to provide escorts and organize ‘evasive routing’ based on Room 40 intelligence. Room 40 now sending 66 special telegrams per month based on German codes or signals, especially from radio-happy U-boats via 40 British Isles intercept stations (11 later in Mediterranean) which often fix their bearings.
Political, etc
Germany: Recall of German Minister to Norway, consequent on bomb plot. (Bomb plot? What bomb plot? A search revealed this:
http://trove.nla.gov.au/newspaper/article/5544504 from August, 1917, which states that such was discovered in “July”: I think the paper is in error about the timing, and this incident occurred in June, 1917).
United Kingdom: Young workers at a boiler smith shop at the Royal Naval College at Dartmouth: © IWM (Q 53980):
https://twitter.com/CenturyAgoToday...940873823854593
United States: American Red Cross raises $100 million after an 8-day fundraising campaign to prepare for the U.S. entrance into the war.
Spain: Spain institutes martial law to control socialist demonstrations and agitations.
Greece: M. Venizelos returns to Athens and succeeds M. Zaimis as Premier.