| The Offensive in Picardy ~ 21st March - 5th April. |
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| The First Battles of the Somme (1918) ~ 21st March - 5th April. |
| First, Third, Fourth and Fifth Armies. |
| Corps: III, IV, V, VI, VII, XIII, XVII, XVIII and XIX. |
| Divisions: 1st Cavalry (2), 2nd Cavalry (1), 3rd Cavalry (3), Guards (3), 2nd (3), 3rd |
| (3), 4th (1), 6th (1), 8th (3), 9th (2), 12th (3), 14th (2), 15th (2), 16th (2), 17th (2), |
| 18th (2), 19th (2), 20th (3), 21st (2), 24th (4), 25th (2), 30th (3), 31st (3), 32nd (2), |
| 34th (1), 35th (1), 36th (3), 37th (1), 39th (3), 40th (2), 41st (3), 42nd (3), 47th (3), |
| 50th (3), 51st (2), 56th (1), 58th (2), 59th (2), 61st (3), 62nd (2), 63rd (3), 66th (3), |
| 2nd Canadian (1), 2nd Australian (1), 3rd Australian (1), 4th Australian (2), 5th |
| Australian (1) and New Zealand (2). |
| 49 Divisions engaged. |
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| In the General lists of Battles, the number inside the brackets after the Divisional Number indicates how many individual engagements that Division was involved in. |
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| Battle of St. Quentin ~ 21st - 23rd March. |
| Third Army. |
| IV Corps: 6th, 19th, 25th, 41st and 51st Divisions. |
| V Corps: 2nd, 17th, 47th and 63rd Divisions. |
| VI Corps: Guards, 3rd, 31st, 34th, 40th and 59th |
| Divisions. |
| Fifth Army. |
| III Corps: 2nd Cavalry, 3rd Cavalry, 14th, 18th and |
| 58th Divisions. |
| VII Corps: 9th, 16th, 21st and 39th Divisions. |
| XVIII Corps: 20th, 30th, 36th and 61st Divisions. |
| XIX Corps: 1st Cavalry, 8th, 24th, 50th and 66th |
| Divisions. |
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| Actions at the Somme Crossings ~ 24th - 25th March. |
| Fifth Army |
| VII Corps: 39th Division. |
| XVIII Corps: 3rd Cavalry, 20th, 30th, 36th and 61st Divisions. |
| XIX Corps: 8th, 24th, 50th and 66th Divisions. |
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| First Battle of Bapaume (1918) ~ 24th - 25th March. |
| Third Army. |
| IV Corps: 19th, 25th, 41st, 51st and 62nd Divisions. |
| V Corps: 2nd, 12th (less 37th Infantry Brigade), 17th, 47th and 63rd |
| Divisions. |
| VI Corps: Guards, 3rd, 31st, 40th, 42nd and 59th Divisions. |
| XVII Corps: 15th Division. |
| Fifth Army. |
| VII Corps: 1st Cavalry, 9th, 21st and 35th Divisions and 37th Infantry |
| Brigade, 12th Division. |
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| Battle of Rosieres ~ 26th - 27th March. |
| Fifth Army. |
| XVIII Corps: 20th, 30th, 36th and 61st Divisions. |
| XIX Corps: 8th, 16th, 24th, 39th, 50th and 66th |
| Divisions and Carey's Force. |
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| First Battle of Arras (1918) ~ 28th March. |
| First Army. |
| XIII Corps: 56th Division. |
| Third Army. |
| IV Corps: 41st, 42nd, 62nd and New Zealand Divisions |
| and 4th Australian Infantry Brigade, 4th Australian |
| Division. |
| V Corps: 2nd and 12th Divisions. |
| VI Corps: Guards, 3rd, 31st and 2nd Canadian (2 Bde's) |
| Divisions and 97th Infantry Brigade, 32nd Division. |
| XVII Corps: 4th and 15th Divisions. |
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| Battle of the Avre ~ 4th April. |
| Fourth Army. |
| XIX Corps: 3rd Cavalry, 14th, 18th, 24th and 58th |
| Divisions, 5th Australian Infantry Brigade, 2nd |
| Australian Division, 9th Australian Infantry Brigade, |
| 3rd Australian Division, 8th and 15th Australian |
| Infantry Brigades, 5th Australian Division. |
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| Battles of the Ancre (1918) ~ 5th April. |
| Third Army. |
| IV Corps: 37th, 42nd and New Zealand Divisions and |
| 4th Australian Infantry Brigade, 4th Australian |
| Division. |
| V Corps: 12th 47th and 63rd Divisons. |
| VI Corps: 32nd Division. |
| VII Corps: 4th Australian Division (12th and 13th |
| Australian Infantry Brigades). |
| * * * * * |
| subsequent: |
| Actions of Villers Bretonneux ~ 24th - 25th April. |
| Fourth Army. |
| III Corps: 8th, 18th and 58th Divisions. |
| Australian Corps: 4th Australian and 5th Australian |
| Divisions. |
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| Capture of Hamel ~ 4th July. |
| Fourth Army. |
| Australian Corps: 4th Australian Division (4th Infanty |
| Brigade), 6th Australian Infantry Brigade, |
| 2nd Australian Division, 11th Australian Infantry |
| Brigade, 3rd Australian Division. + 131st and 132nd |
| Infantry Regiments, 33rd American Division. |
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| The Offensive in Flanders ~ 9th - 29th April. |
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| The Battles of Lys ~ 9th - 29th April. |
| First and Second Armies. |
| Corps: I, IX, XI, XV AND XXII. |
| Divisions: 1st (3), 3rd (3), 4th (2), 5th (1), 6th (4), 9th (5), 19th (3), |
| 21st (4), 25th (6), 29th (5), 30th (3), 31st (2). 33rd (4), 34th (5), 36th (3), |
| 39th (3), 40th (2), 49th (5), 50th (2), 51st (1), 55th (2), 59th (2), 61st (3) |
| and 1st Australian (1). + 2nd Portuguese (1) and 3rd Infantry |
| Brigade, 1st Portuguese (1). |
| 25 Divisions engaged + 1 Portuguese Division. |
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| In the General lists of Battles, the number inside the brackets after the Divisional Number indicates how many individual engagements that Division was involved in. |
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| Battle of Estaires ~ 9th - 11th April. |
| First Army. |
| XI Corps: 3rd, 51st, 55th and 61st Divisions and 2nd |
| Infantry Brigade, 1st Divison,2nd Portuguese Division |
| and 3rd Infantry Brigade, 1st Portuguese Division. |
| XV Corps: 29th (86th and 87th Infantry Brigades), 31st, |
| 34th, 40th and 50th Divisions and 74th Infantry |
| Brigade, 25th Division. |
| * * * * * |
| Tactical Incidents: |
| First Defence of Givenchy (1918): 55th Division. |
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| Battle of Messines (1918) ~ 10th - 11th April. |
| Second Army. |
| IX Corps: 9th, 19th and 25th (less 74th Infantry Brigade) |
| Divisions; 62nd Infantry Brigade, 21st Division; 100th |
| Infantry Brigade, 33rd Division; 102nd Infantry |
| Brigade, 34th Division; 108th Infantry Brigade, 36th |
| Division; 147th and 148th Infantry Brigades, 49th |
| Division. |
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| Battle of Hazebrouck ~ 12th 15th April. |
| First Army. |
| I Corps: 3rd, 4th and 55th Divisions and 3rd Infantry Brigade, 1st |
| Division. |
| XI Corps: 5th, 50th and 61st Divisions. |
| XV Corps: 29th (86th and 87th Infantry Brigades), 31st, 33rd, 40th and |
| 1st Australian Divisions and Composite Force (Personel from II and |
| XXIII Corps School, 2/New Zealand Entrenching Bn, 2 Companies |
| 18/Middlesex Regiment (Pioneers), XXII Corps Reinforcement Bn). |
| * * * * * |
| Tactical Incidents: |
| Defence of Hinges Ridge: 3rd, 4th, 51st and 61st Divisions. |
| Defence of Nieppe Forest: 5th, 29th, 31st and 1st Australian Divisions |
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| Battle of Bailleul ~ 13th - 15th April. |
| Second Army. |
| IX Corps: 19th, 25th, 34th, 49th and 59th Divisions; 71st |
| Infantry Brigade, 6th Division; South African Infantry |
| Brigade, 9th Division; 88th Infantry Brigade, 29th |
| Division,; 100th Infantry Brigade, 33rd Division; 108th |
| Brigade, 36th Division. |
| XXII Corps: 9th Division. |
| * * * * * |
| Tactical Incidents: |
| Defence of Neuve Eglise: 33rd and 49th Divisions. |
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| First Battle of Kemmel ~ 17th - 19th April. |
| Second Army. |
| IX Corps: 19th, 25th, 33rd, 34th, 49th and 59th Divisions; 71st Infantry |
| Brigade, 6th Division; 88th Infantry Brigade, 29th Division; 89th |
| Brigade, 30th Division; 108th Infantry Brigade, 36th Division; Wyatt's |
| Force. |
| XXII Corps: 9th and 39th Divisions and 62nd and 64th Infantry |
| Brigades, 21st Division. |
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| Battle of Bethune ~ 18th April. |
| First Army |
| I Corps: 1st, 3rd and 4th Divisions. |
| XI Corps: 61st Division. |
| * * * * * |
| Tactical Incidents: |
| Second Defence of Givenchy (1918): |
| 1st Division. |
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| Second Battle of Kemmel ~ 25th - 26th April. |
| Second Army. |
| XXII Corps: 9th, 21st, 25th, 39th and 49th Divisions and |
| 71st Infantry Brigade, 6th Division and 89th Infantry |
| Brigade, 30th Division. |
| Detachment d'armee du Nord. |
| II (French) Cavalry Corps: 28th, 39th and 154th |
| (French) Divisions and 3rd(French) Cavalry Division |
| XXXVI (French) Corps: 34th and 133rd (French) |
| Divisions and 2nd (French) Cavalry Division. |
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| Battle of the Scherpenberg ~ 29th April. |
| Second Army. |
| XXII Corps: 6th, 21st, 25th, 39th and 49th Divisions and |
| South African Infantry Brigade, 9th Division and 89th |
| Infantry Brigade, 30th Division. |
| Detachment d'armee du Nord. |
| II (French) Cavalry Corps: 39th and 154th (French) |
| Divisions and 2nd and 3rd(French) Cavalry Divisions |
| XXXVI (French) Corps: 34th Division. |
| * * * * * |
| Subsequent: |
| Action of La Becque ~ 28th June. |
| First Army. |
| XI Corps: 5th Division. |
| Second Army. |
| XV Corps: 31st Division. |
| Capture of Meteren ~ 19th July. |
| Second Army. |
| XV Corps: 9th Division. |
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| The Offensive in Champagne (1918) ~ 27th May - 6th June. |
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| Battle of the Aisne (1918) ~ 27th May - 6th June. |
| IX Corps: 8th, 19th, 21st, 25th and 50th Divisions. |
| (IX Corps under the Sixth French Army). |
