Western Front
Ypres: Sopwith Camel fighter first used as light bombers with four 20lb or 25lb bombs.

Eastern Front
German infantry attack Lemburg (east of Riga) repulsed with loss by Letts.

Southern Front
Fighting dying down on Italian front.
An Austro-Hungarian officer taking a field bath near the Isonzo front: https://twitter.com/CenturyAgoToday...835718310158336

Naval and Overseas Operations
East Africa: Kilwa Force action at Mihambia (until September 20) costs 145 casualties and fails to cut off over 1,100 German troops retreat behind burning grass. British advance resumes on September 24 after thirst quenched.
British infantrymen in East Africa: https://i0.wp.com/ww2-weapons.com/w...-1917.jpg?ssl=1
Baltic: 20 Russian warships at Helsinki raise Red Flag.

Political, etc
Russia: M. Kerenski tries to limit powers of Extremists.
France: Vote of Confidence in French Government.
United States: 343,500 U.S.A. conscripts joined to date.
National Equal Rights League meets in New York City to urge equal rights for African American workers and soldiers.

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

Western Front
Third Battle of Ypres: Battle of the Menin Road Ridge begins (see 25th): British advance east of Ypres and take Inverness Copse, Glencorse Wood, Veldhoek and part of Polygon Wood and 2,000 prisoners.
Australian soldiers run across the field while being targeted by artillery during the Battle of Menin Road: © IWM (E(AUS) 737): https://twitter.com/CenturyAgoToday...454775271043072
Third Allied attack of ‘Third Ypres’, directed by Plumer begun in mist. Main weight of attack with 11 divisions and 52 tanks thrusts against Passchendaele-Gheluvelt line in attempt to win high ground between Ypres and Roulers-Menin railway. Under unprecedented fire-layered 8-hour creeping barrage with gun to every 5.2 yards, British capture Inverness Copse, Glencorse Wood, Veld hoek, Hollebeke and part of Polygon Wood in average 1,500 yard advance despite 11 counter-attacks. Sergant W Burman of 16th Rifle Brigade uses his sword to kill 11 Germans in an MG post, wins Victoria Cross. GOC 19th Division T Bridges severely wounded, loses a leg. Letter from Captain Patton, US Cavalry, to wife: ‘The Germans shoot a gas which makes people vomit [note: this is ‘mustard gas’, known to the Germans as ‘Yperite’] and when they take off the masks to spit they shoot the deadly gas at them. It is a smart idea is it not ?’.
Royal Flying Corps RE8s plus balloons report or direct fire at 208 German batteries. 112 air combats, 11 British and 7 German aircraft lost.
British soldiers attempt to identify dead during the Third Battle of Ypres: https://i2.wp.com/ww2-weapons.com/w...lacht.jpg?ssl=1
A damaged German memorial at a war cemetery captured by the French: © IWM (Q 78160): https://twitter.com/CenturyAgoToday...213193372504070
Australian troops trying to rescue an officer whose parachute became entangled in a tree after he jumped from a balloon: © IWM (Q 5983): https://twitter.com/CenturyAgoToday...484989556477958

Eastern Front
The Central Powers attack thrice in Susitza Valley (Moldavia); repulsed by Romanians.

Southern Front
French and Albanian troops raid Austrians in Skumbi valley (Albania); 400 prisoners.

Asiatic and Egyptian Theaters
General Cassini's column defeat Nuri Pasha at Zanzur (west of Tripoli City); Libyan rebel losses 1,600 etc.
Trans-Caucasia declares itself a Republic.
Russians defeat Turks near Ortobo (Bitlis, September 25).

Political, etc
Germany: Germany opens its 7th war loan to raise 50 million Marks for the war effort, urging the public to buy bonds.
Russia: General Mikhail Alexeiev resigns, Nikolai Dukhonin becomes effective C-in-C.
Executive Committee of the Petrograd Soviet resigns due to continued divisions within the fledgling Russian government.
United Kingdom: Sir A. Yapp, Food Controller.
Chambers of Commerce meets for better understanding of British war aims; addressed by Lord Northcliffe.
United States: Nation War Convention of U.S.A.
300,000 more conscripted Americans head to U.S. Army Camps to train for the war.
Argentina: Argentine Senate votes 23 to 1 to break off diplomatic relations with Germany.

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

Western Front
Third Battle of Ypres: German attacks on Tower Hamlets' ridge repulsed. Prisoners now exceed 3,000. (Another source specifies 3,243 ).
Royal Flying Corps Nos 100 and 101 Squadrons continue night bombing of Menin and Roulers against arriving German troops, using parachute flares (repeated September 25-26 and 26-27).
German PoWs in a British collection center. https://i1.wp.com/ww2-weapons.com/w...ngene.jpg?ssl=1
Men of the 13th Battalion, Durham Light Infantry, prepare to advance during the Battle of Menin Road: © IWM (Q 5970): https://twitter.com/CenturyAgoToday...545407629021184
"The Menin Road,” by Paul Nash in 1919, depicting the battlefield near Gheluvelt at Ypres: https://twitter.com/CenturyAgoToday...575588305498112

Eastern Front
After holding enemy here for 18 months, Russians retire north from Jakobstadt (River Dvina).
Courland proclaims independence and requests German protection.

Southern Front
Second phase of Isonzo battle closed; neither side can hold Mte. S. Gabriele.

Naval and Overseas Operations
East Africa: German groups broken up west of Kilwa and Lindi; flee south to River Mbemkuru.

Asiatic and Egyptian Theaters
British bomb and cause surrender of Diwaniya (Euphrates).

Political, etc
United Kingdom: Publication of Count Bernstorff's correspondence with Berlin re: bribing Congress.
Canada: Canada passes the Wartime Elections Act, which gives the vote to women in the military and to wives, mothers, & sisters of serving soldiers.
Italy: Central Powers' reply to Papal Note.
Minor Allies: Costa Rica severs diplomatic relations with Germany (see May 23rd, 1918).

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

From all the activity going on ... it seems almost hard to imagine that in barely more than a year, the Great War will end ... to be followed by long and drawn out peace negotiations (although the negotiations seemed to be more between the allies than with Germany.

Western Front
Third Battle of Ypres: German forces again attempt to retake British gains at Ypres, but only gain south of the Menin Road with heavy losses.
“South African Scottish” troops carry a captured wounded German soldier during the Battle of Menin Road: © IWM (Q 2870): https://twitter.com/CenturyAgoToday...909007266709504
Stuttgart, Treves, Coblenz and Frankfurt bombed by French.
Ralph Curtis (pictured), British aerial ace with 15 victories, is killed in action in a dogfight with German pilot Hermann Göring: https://twitter.com/CenturyAgoToday...939226392457216

Eastern Front
Jakobstadt (Baltic) stormed by German forces (21st/22nd).
German forces capture the city of Jakobstadt (Jēkabpils, Latvia) from the Russians: © IWM (Q 29937): https://twitter.com/CenturyAgoToday...848619460333568

Southern Front
Slight Italian push in Marmolada region (Carnic).

Naval and Overseas Operations
North Sea: Only British air kill of a U-boat: Royal Navy Air Service H12 America flying boat (Flt Sub-lt N Magor) bombs coastal submarine UB-32.
The large Curtiss H12 America flying boat: https://i0.wp.com/ww2-weapons.com/w...gboat.jpg?ssl=1
Channel: Ostend attacked by British coast patrol. Dover Patrol monitor Terror shells Ostend (35 shells), sinks floating dock.
3 Royal Navy Air Service Sopwith Camel fighters over Dover Patrol destroy, force down or capture 4 German seaplanes from Ostend and Zeebrugge.
Atlantic: Convoys from Dakar start
East Africa: Battle of Bweho Chini: over 1,100 German troops and over 20 MGs (estimate over 340 casualties) just fail to storm surrounded Nigerian Brigade camp (134 casualties). Kilwa Force reunited on September 24. Belgians fight at Hyka on river M’kaha.

Political, etc
Italy: Germany and Austria-Hungary accept Pope Benedict’s proposal for an immediate armistice in the war. The Allies had already rejected it.
Argentina: Relations much strained between Germany and Argentina.

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

Western Front
Third Battle of Ypres: BEF losses 20,000 soldiers since September 20.
British troops at Zillebeke during the 3rd Battle of Ypres with a disabled British tank in the background: © IWM (Q 3224): https://twitter.com/CenturyAgoToday...223588568682496
A knocked-out British tank near Zonnebeke at the 3rd Battle of Ypres: © IWM (Q 6468): https://twitter.com/CenturyAgoToday...253801767772161
Flanders: Haig calls off long-planned and prepared amphibious landing by 24,000 troops near Westende, because Third Ypres battle bogged down.
Western Front: Lieutenant Werner Voss (48 victories since November 27, 1916), leader of Jasta 10 killed in action, aged 20 in Fokker triplane by Lieutenant Rhys-David (killed in action on October 27). Voss was fighting an entire flight (7 SE 5as) of No 56 Squadron.
Werner Voss, German ace with 48 aerial victories, is killed in action after dogfighting with 7 British planes (6 aces) in a “last stand.”: https://twitter.com/CenturyAgoToday...587251775303680
German pilots prepare for a sortie with Fokker Dr.I triplanes: https://i1.wp.com/ww2-weapons.com/w...nsatz.jpg?ssl=1
France: US Tank Corps founded.

Eastern Front
Kaiser Wilhelm touring the oil refineries captured at Campina, Romania: © IWM (Q 70277): https://twitter.com/CenturyAgoToday...526829810470912

Naval and Overseas Operations
British destroyer sunk in Channel, 50 survivors. [Note: I can find no other mention of this, I think this is a mistaken post; probably from an earlier report]

Political, etc
Germany: Severe shortage of paper in Germany leads to many newspapers unable to print the day’s editions.
Russia: Bolsheviks accuse Russian Premier Kerensky of orchestrating the recent coup to crush the proletariat and the soviet council.

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

Western Front
Third Battle of Ypres: A German artillery shell lands just yards away from the photographer Ernest Brooks during the 3rd Battle of Ypres: © IWM (Q 2890): https://twitter.com/CenturyAgoToday...647628449984518
Highland Light Infantry troops resting before the attack during the 3rd Battle of Ypres: © IWM (Q 6006): https://twitter.com/CenturyAgoToday...900257851670528
Airplane raid on London and south-east coast, 21 killed, 70 injured. 3 of 16 Gotha bombers reach London, 1 bomb causes 39 casualties (of total 91) in Southampton Row; 30 defence sorties including first from Biggin Hill.
German Gotha bomber in flight: https://i0.wp.com/ww2-weapons.com/w...light.jpg?ssl=1
11 Navy Zeppelins dispatched: 5 wander east and north counties; only 3 civilian casualties but 5 defence fighters crash (night September 24-25).
German attack north of Bezonvaux, Fosses and Chaume Woods, Verdun (north-east), repulsed. 50 Germans are captured.
Germans bomb Royal Navy Air Service St Pol depot near Dunkirk (until October 1), destroy 140 engines.

Eastern Front
Baltic: Around this date Russian Baltic staff learn from Room 40 that German battleships coming east.

Southern Front
Salonika: General Paul Grossetti leaves with food poisoning complaint (died January 7, 1918 aged 56), General Charles Regnault temporary C-in-C French Army of the Orient.

Naval and Overseas Operations
East Africa: British destroy German food depots west of Kilwa; Belgian column within ten miles of Mahenge.
Mediterranean: around this date 5 old US destroyers arrive at Port Said from Philippines, go on to Gibraltar for escort work.

Political, etc
United Kingdom: Captain Marchese di Laureati flies from Turin to London, non-stop, 650 miles, 7 hours 22 minutes.
Great Britain apologizes to Denmark for Jutland violation on 1 September 1917, and offers indemnity.
United States: Herbert Hoover, head of the U.S. Food Administration, recommends that people eat less candy to preserve sugar supplies.
Satisfactory Japanese Mission (Viscount Ishii) to U.S.A.
U.S. House approves the creation of a special suffrage committee to deal with issues concerning giving women the vote.

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