This is the order of battle for Operation Michael, part of the German Spring Offensive fought from 21 March to 5 April 1918 as one of the main engagements of the First World War. It was fought between mixed French, British and Dominion forces and the German Empire in the Somme region in northern France.

German forces, Western Front

Army Group Crown Prince Rupprecht

Generalfeldmarschall Rupprecht, Crown Prince of Bavaria

Chief of Staff: General Hermann von Kuhl

4th Army (18 divisions) General der Infanterie Sixt von Armin Chief of Staff: General Fritz von Loßberg 6th Army (15 divisions) General der Infanterie Ferdinand von Quast Chief of Staff: Lieutenant-Colonel Hermann Baron von Lenz 17th Army (28 divisions) * General der Infanterie Otto von Below Chief of Staff: General Konrad Krafft von Dellmensingen 2nd Army (21 divisions) General der Kavallerie Georg von der Marwitz Chief of Staff: Colonel Erich von Tschischwitz

Order of battle for the Spring Offensive

Army Group German Crown Prince

General der Infanterie Wilhelm, Crown Prince of Germany

Chief of Staff: Colonel Friedrich Bernhard Count von der Schulenburg

18th Army (27 divisions) General der Infanterie Oskar von Hutier Chief of Staff: General Traugott von Sauberzweig 7th Army (11 divisions) Generaloberst Max von Boehn Chief of Staff: Lieutenant-Colonel Walther Reinhardt 1st Army (12 divisions) General der Infanterie Fritz von Below Chief of Staff: Lieutenant-Colonel Robert von Klüber 3rd Army (11 divisions) Generaloberst Karl von Einem Chief of Staff: Lieutenant-Colonel Wilhelm von Klewitz

Order of battle for the Spring Offensive

Army Group Gallwitz

General der Artillerie Max von Gallwitz

Chief of Staff: Lieutenant-Colonel Richard von Pawelsz

5th Army (12 divisions) General der Artillerie Max von Gallwitz Chief of Staff: Lieutenant-Colonel von Pawelsz Armee-Abteilung C (12 divisions) Generalleutnant Chief of Staff: Colonel Otto Baron von Ledebur

Order of battle for the Spring Offensive

Army Group Duke Albrecht

Generalfeldmarschall Albrecht, Duke of Württemberg

Chief of Staff: Colonel Wilhelm Heye

19th Army (10.5 divisions) General der Infanterie Felix Graf von Bothmer Chief of Staff: Colonel Hans Ritter von Hemmer Armee-Abteilung A (5 infantry, 2 dismounted cavalry divisions) General der Infanterie Bruno von Mudra Chief of Staff: Lieutenant-Colonel Friedrich Baron von Esebeck Armee-Abteilung B (9 infantry, 1 dismounted cavalry division) General der Infanterie Erich von Gündell Chief of Staff: Lieutenant-Colonel Hermann Drechsel

British armies

Fifth Army

General Sir Hubert Gough

III Corps (Lieutenant-General Sir R. H. K. Butler) 58th (2/1st London) Division 18th (Eastern) Division 14th (Light) Division XVIII Corps (Lieutenant-General Sir I. Maxse) 36th (Ulster) Division 30th Division 61st (2nd South Midland) Division 20th (Light) Division (from 21 March) XIX Corps (Lieutenant-General Sir H. E. Watts) 24th Division 66th (2nd East Lancashire) Division 50th (Northumbrian) Division (from 21 March) 8th Division (from 22 March) VII Corps (Lieutenant-General Sir W. N. Congreve ) 16th (Irish) Division 21st Division 9th (Scottish) Division 39th Division 35th Division (from 23 March) 12th (Eastern) Division (from 25 March) US Army 6th Battalion United States (railway) Engineers (2 companies)

Third Army

General Hon. Sir Julian Byng

V Corps (Lieutenant-General Sir E. A. Fanshawe) 47th (1/2nd London) Division 63rd (Royal Naval) Division 17th (Northern) Division 2nd Division 19th (Western) Division 12th (Eastern) Division (from 8:30 p.m. on 25 March) IV Corps (Lieutenant-General Sir G. M. Harper) 51st (Highland) Division 6th Division 25th Division 19th (Western) Division (from 21 March) 41st Division (from 22 March) 42nd (East Lancashire) Division (from 24 March) 62nd (2nd West Riding) Division (from 25 March) New Zealand Division (from 25/26 March) 4th Australian Division (from 25/26 March) VI Corps (Lieutenant-General Sir J. A. L. Haldane) 59th (2nd North Midland) Division 34th Division 3rd Division 40th Division (from 21 March) Guards Division (from 22 March) 31st Division (from 22 March) XVII Corps Corps (Lieutenant-General Sir Charles Fergusson, Bt.) 15th (Scottish) Division 4th Division Guards Division Cavalry Corps (Lieutenant-General Sir C. T. MacM. Kavanagh) 1st Cavalry Division 2nd Cavalry Division 3rd Cavalry Division