Western Russia: Prince Leopold and Woyrsch’s Battle of Sionim (until September 18), their advance checked.
Bulgars and Macedonians reservists called up.
Southern Tunisia: More than 500 Tripolitanian rebels (total 5,000 warriors with 9 guns and 13 Turk officers) first attacking French troops and forcing them over the border (until September 15), then besiege Dehibat (September 18-24).
Air War Western Front: Royal Flying Corps makes first effort to land an agent behind German line (near Courtrai) but he and the pilot injured and captured; successful missions on September 28 and October 3.
Germany: Government demands Rumanian passage for troops and £8millions benzine.