Western Front
Heavy artillery and aerial activity continues around Ypres, as Britain prepares for another offensive in the area.
Southern Front
Luigi Cadorna cancels 12th Isonzo offensive and starts defensive preparations, tells Allies this on September 20 who halt guns for the Italians on September 25.
Trentino: Italian battalions take 200 PoWs in Val Sugana but fail in dash for Trento inspired by Czech officer deserters (night September 18-19) at Carzano.
Italian soldiers in the trench. The defense facilities in the Isonzo area are not strengthened, as the local authorities consider the site to be too difficult for the expected German-Austrian-Hungarian offensive:
https://i1.wp.com/ww2-weapons.com/w...raben.jpg?ssl=1
Naval and Overseas Operations
Channel: U-boat sinks destroyer HMS Contest (50 survivors).
Mediterranean: British patrol instructions advise limit of 12 ships per convoy with 4 escorts.
Political, etc
France: Painleve redefines French war aims as Alsace-Lorraine and reparations.
United Kingdom: King George awards 21-year-old factory worker Lizze Robinson the Order of the British Empire; the 1st woman to receive it: © IWM (Q 54481):
https://twitter.com/CenturyAgoToday...743852914962432
Turkey: Count Johann von Bernstorff, former German ambassador to the U.S., arrives in Constantinople as the new ambassador to the Ottoman Empire:
https://twitter.com/CenturyAgoToday...462016561119233
United States: More than 25,000 workmen in San Francisco shipyards go on strike in one of the biggest strikes in West Coast history.