Western Front
France: NIVELLE DISMISSED AND REPLACED BY PETAIN as Commander-in-Chief of French Northern and North-Eastern Groups of Armies. Petain assumes command on May 17. FOCH APPOINTED Chief of the French General Staff of French Ministry of War in Paris.
Artois: Heavy fighting round Bullecourt (British secure May 17, advance northeast on May 19).
Aisne: Heavy fighting on Chemin des Dames.
Meuse: French trench raids in the Woevre and in Lorraine.

Southern Front
Tenth Battle of the Isonzo: Badoglio’s II Corps storms Mt Kuk (2004 ft) and Vodice ridge. Italians claim 4,021 PaWs so far, Austrians 2,000 on Carso.
Salonika: British 10th and 28th divisions capture 3 villages in 3 1/2 mile advance east of Struma on 9-mile front (until May 16), taking 89 PoWs from Bulgarian 7th Div, but prepare to withdraw to summer line from May 26.

Naval and Overseas Operations
Adriatic – Otranto Action (largest in Straits): 3 Austrian cruisers (including Horthy’s flagship Novara) and 2 destroyers with 13 aircraft and 3 U-boats support sink 2 destroyers (Italian Borea and French Boutefeu); 14 Royal Navy armed trawlers (72 PoWs) and damage 4 out of 47; 2 merchantmen plus 1 seaplane out of 13 aircraft. Vainly and chaotically pursued by Allies (21 ships) including cruisers Bristol and Dartmouth (latter torpedoed by UC-25 but eventually reaches Malta). New Italian flotilla leader Aquila disabled by shot through steam pipe. Horthy wounded and Novara taken in tow but operational again in 8 days.
Brindisi: Rear-Admiral Bolio superseded. Otranto Barrage restricted to daylight use.
U.S.A. destroyer-flotilla arrives in British waters.
British transport Cameronia torpedoed in Mediterranean, 140 men lost.

Political, etc
Sweden: German Socialists are refused passports for Stockholm.
Spain: (Special, 1793): Inventor Diego Marín Aguilera, the "father of aviation" in Spain, flew one of the first gliders for about 300 yd (270m).

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On the kinkometer, my kink measures as a sine wave.