Marne: Mudra relieves F Below in command of First Army, latter takes over new Ninth Army at Soissons (until August 6).
Champagne: French repulse German attack from Sillery to Trigny 7 miles west of Reims (and on Bligny on June 22 that costs 392 Italian casualties).
Piave: Slight Austrian Montello gains near Nervesa rail bridge. Italian 1st Division takes 500 PoWs from Lower Piave San Dona bridgehead, but its reinforced occupiers take 6,500 PoWs around Campolunga (until June 19).
Black Sea: Russian dreadnought Svobodnaya Rossiya (ex-Imperatritsa Ekaterina) destroyed by Reds to avoid capture by Germans. Destroyer Kerch torpedoes her at Novorossisk where 7 destroyers and torpedo boats scuttle themselves (Kerch scuttles at Tuapse on June 19). Dreadnought Volya, 3 destroyers, 2 torpedo boats and AMC return to Sevastopol as Germans request for internment, but c.464 German sailors gradually take them over.
Bulgaria: Prime Minister Radoslavov (since 1913) resigns at Tsar Ferdinand’s bidding, Malinov replaces to placate unrest.
Germany: OHL demands military service for all men 15-60, War Minister opposes on June 24. Reichstag deputies increased and act for proportional representation.
Britain: Commons votes £500 million credit (£7,342 million grand total; £6,8 million per day; loans to Allies £1,370 million).