Battle of Passchendaele

Hubert Gough military commander Herbert Plumer, 1st Viscount Plumer military commander Douglas Haig, 1st Earl Haig military commander

Erich Ludendorff military commander Friedrich Sixt von Armin military commander Rupprecht, Crown Prince of Bavaria military commander

1st Army (France) Fifth Army (United Kingdom) Second Army (United Kingdom) Third Army (United Kingdom) 36th Army Corps (France) Canadian Corps II Corps (United Kingdom) IX Corps (United Kingdom) V Corps (United Kingdom) X Corps (United Kingdom) 16th (Irish) Division 18th (Eastern) Division 1st Canadian Division 1st Infantry Division (France) 20th (Light) Division 21st Division (United Kingdom) 23rd Division (United Kingdom) 24th Division (United Kingdom) 29th Division (United Kingdom) 2nd Canadian Division 33rd Division (United Kingdom) 35th Division (United Kingdom) 36th (Ulster) Division 37th Division (United Kingdom) 3rd Canadian Division 41st Division (United Kingdom) 47th (1/2nd London) Division 4th Infantry Division (United Kingdom) 50th (Northumbrian) Division 51st (Highland) Division 55th (West Lancashire) Division 58th (2/1st London) Division 5th Infantry Division (United Kingdom) 7th Infantry Division (United Kingdom) 8th Infantry Division (United Kingdom) 9th (Scottish) Division History of the British 8th Division during the First World War

4th Army (German Empire) Guards Reserve Corps XIV Corps (German Empire) 111th Infantry Division (German Empire) 119th Infantry Division (German Empire) 121st Infantry Division (German Empire) 16th Division (German Empire) 17th Division (German Empire) 18th Division (German Empire) 20th Division (German Empire) 25th Division (German Empire) 32nd Division (German Empire) 35th Division (German Empire) 36th Division (German Empire) 38th Division (German Empire) 39th Division (German Empire) 54th Infantry Division (German Empire) 58th Infantry Division (German Empire)

40th Division (German Empire) 4th Royal Bavarian Division