Order of battle at Tannenberg (1914)

This is the order of battle for both the Russian and German armies at the Battle of Tannenberg, August 17 to September 2, 1914.

Russian Northwestern Front
General Yakov Zhilinsky, Front Commander (not present)

Maj. Gen. Sir Alfred Knox, British Military Attache (attached to 2nd Army)

First Army
General Paul von Rennenkampf, Commander

Lt. Gen. Gavriil Mileant, Chief of Staff

II Corps  (transferred from the Second Army, 22 August) – General Sergei Scheidemann

26th Infantry Division

43rd Infantry Division

III Corps – General Nikolai Epanchin

25th Infantry Division

27th Infantry Division

IV Corps – General

30th Infantry Division

40th Infantry Division

XX Corps – General Vladimir Vasilyevich Smirnov

28th Infantry Division

29th Infantry Division

Unattached

56th Infantry Division
 * 221st Roslav Infantry Regiment
 * 222nd Krasnan Infantry Regiment
 * 223rd Odoev Infantry Regiment
 * 224th Yukhnov Infantry Regiment
 * 73rd Artillery (Reserve) Brigade

5th Rifle Brigade

1st Guard Cavalry Division – Lt. Gen.
 * 1st Brigade
 * Chevalier Guard Regiment
 * Guard Cavalry Regiment
 * 2nd Brigade
 * Guard Cuirassier Regiment of the Emperor
 * Guard Cuirassier Regiment of Empress Marie

2nd Guard Cavalry Division – Lt. Gen. Georgy Ottonovich Rauch
 * 1st Brigade
 * Guard Horse Grenadier Regiment
 * Guard Ulan Regiment of the Empress
 * 2nd Brigade
 * Guard Dragoon Regiment
 * Guard Hussar Regiment of the Emperor

1st Cavalry Division– Lt. Gen. Vasily Gurko

2nd Cavalry Division – Lt. Gen. Huseyn Khan Nakhchivanski

3rd Cavalry Division – Lt. Gen.

1st Independent Cavalry Brigade
 * 19th Dragoons
 * 16th Hussars
 * 3rd Horse Battery

1st Heavy Artillery Brigade

Second Army
General Alexander Samsonov, Commander

Maj. Gen. Postowski, Chief of Staff

I Corps – General Artamanov, relieved on August 28

– Lt. Gen Alexander Alexandrovich Dushkevich

22nd Infantry Division

24th Infantry Division

VI Corps – General Alexander Blagoveshchensky

4th Infantry Division

16th Infantry Division

XIII Corps – Lt. Gen. Nikolai Klyuev

1st Infantry Division

36th Infantry Division

XV Corps – General Nikolai Martos

6th Infantry Division

8th Infantry Division

XXIII Corps – General Kyprian Kandratovich

3rd Guard Infantry Division
 * 1st Brigade
 * Guard Regiment Lithuania
 * Guard Regiment Kexholm – Colonel Sirelius
 * 2nd Brigade
 * Guard Regiment St. Petersburg
 * Guard Regiment Wolhyna

2nd Infantry Division

Unattached

1st Rifle Brigade

4th Cavalry Division – Lt. Gen. Anton Tolpygo

6th Cavalry Division – Lt. Gen. Vladimir Roop

15th Cavalry Division – Lt. Gen. Pavel Lyubomirov

2nd Heavy Artillery Brigade

German Eighth Army
Colonel General Maximilian von Prittwitz, Commander, replaced on August 23

Colonel General Paul von Hindenburg, Commander

Maj. Gen. Erich Ludendorff, Chief of Staff

Maj. Gen. Paul Grünert, Quartermaster General

Maj. Gen. Otto Kersten, Chief Engineer

Lt. Col. Max Hoffmann, Chief of Operations

I Army Corps – General Hermann von François Col. Walter Schmidt von Schmidtseck, Chief of Staff

1st Infantry Division – Lt. Gen. Richard von Conta


 * 1st Infantry Brigade – Maj. Gen. Friedrich von Trotha
 * 1st Grenadiers – Lt. Col. Eggerss
 * 41st Infantry – Colonel Schönfeld


 * 2nd Infantry Brigade – Maj. Gen. Conrado Paschen
 * 3rd Grenadiers – Colonel von Wedel
 * 43rd Infantry – Colonel von Eisenhart-Rothe


 * 1st Field Artillery Brigade – Maj. Gen. Kurt Moewes
 * 16th Field Artillery – Colonel Bromeis
 * 52nd Field Artillery – Colonel Hellwig


 * 8th Uhlans – Lt. Col. Freiherr Schäffer von Bernstein

2nd Infantry Division – Lt. Gen. Adalbert von Falk


 * 3rd Infantry Brigade – Maj. Gen. Theodor Mengelbier
 * 4th Grenadiers – Colonel Stern
 * 44th Infantry – Colonel von Löper


 * 4th Infantry Brigade – Maj. Gen. Bernhard Böß
 * 33rd Fusiliers – Lt. Col. Weicke
 * 45th Infantry – Colonel Maaß

XVII Army Corps – General August von Mackensen

35th Infantry Division – Lt. Gen. Otto Hennig


 * 70th Infantry Brigade – Maj. Gen. Heinrich Schmidt von Knobelsdorff
 * 21st Infantry – Colonel Brunnemann
 * 61st Infantry – Maj. Lüdecke


 * 87th Infantry Brigade – Maj. Gen. Johannes von Hahn
 * 141st Infantry – Lt. Col. von Steinkeller
 * 176th Infantry – Maj. Runge


 * 35th Field Artillery Brigade – Maj. Gen. Leopold Uhden
 * 71st Field Artillery – Lt. Col. Hecht
 * 81st Field Artillery – Lt. Col. Bertog


 * 4th Mounted Rifles – Lt. Col. Freiherr von Lön

36th Infantry Division – Lt. Gen. Konstanz von Heineccius


 * 69th Infantry Brigade – Maj. Gen. George von Engelbrechten
 * 129th Infantry – Colonel Breßler
 * 175th Infantry – Lt. Col. Schleenstein


 * 71st Infantry Brigade – Colonel Lutz von Dewitz
 * 5th Grenadiers – Colonel Freiherr von Eichendorff
 * 128th Infantry – Colonel von Tresckow


 * 36th Field Artillery Brigade – Maj. Gen. Viktor Hahndorff
 * 36th Field Artillery – Maj. Waldeyer
 * 72nd Field Artillery – Colonel von Rabenau


 * 5th Hussars – Colonel Freiherr von Barnekow

XX Army Corps – General Friedrich von Scholtz

37th Infantry Division – Lt. Gen. Hermann von Staabs


 * 73rd Infantry Brigade – Maj. Gen. Carl Wilhelmi
 * 147th Infantry – Colonel Ritzsch
 * 151st Infantry – Colonel Dorsch
 * 1st Jager Battalion – Maj. Weigelt


 * 75th Infantry Brigade – Maj. Gen. Alfred von Böckmann
 * 146th Infantry – Colonel von Heydebreck
 * 150th Infantry – Colonel Küster


 * 37th Field Artillery Brigade – Maj. Gen. Wilhelm Buchholz
 * 73rd Field Artillery – Colonel Forst
 * 82nd Field Artillery – Lt. Col. Plantier


 * 11th Dragoons – Lt. Col. Maaß

41st Infantry Division – Maj. Gen. Leo Sontag


 * 72nd Infantry Brigade – Maj. Gen. Georg Schaer
 * 18th Infantry – Colonel Mecke
 * 59th Infantry – Colonel Sonntag


 * 74th Infantry Brigade – Maj. Gen. Rudolf Reiser
 * 148th Infantry – Colonel von der Osten
 * 152nd Infantry – Colonel Geisler


 * 41st Field Artillery Brigade – Maj. Gen. Wilhelm Johann Neugebauer
 * 35th Field Artillery – Lt. Col. Wilke
 * 79th Field Artillery – Lt. Col. Marcus


 * 10th Dragoons – Lt. Col. von Lewinski

I Reserve Corps – Lt. Gen. Otto von Below

1st Reserve Division – Lt. Gen. Sigismund von Förster


 * 1st Reserve Infantry Brigade – Ma. Gen. Karl Barre
 * 1st Reserve Infantry – Lt. Col. von Sommerfeld und Falkenhayn
 * 3rd Reserve Infantry – Lt. Col. von Steuber


 * 72nd Reserve Infantry Brigade – Maj. Gen. Maximilian Gustav Licht
 * 18th Reserve Infantry – Lt. Col. Freiherr von Lützow
 * 59th Reserve Infantry – Lt. Col. Modrow
 * 1st Reserve Jager Battalion – Cpt. Mellin


 * 1st Reserve Field Artillery – Lt. Col. Schulz

3rd Reserve Division – Lt. Gen. Curt von Morgen


 * 5th Reserve Infantry Brigade – Maj. Gen. Emil Hesse
 * 2nd Reserve Infantry – Lt. Col. Rodig
 * 9th Reserve Infantry – Lt. Col. Wobring


 * 6th Reserve Infantry Brigade – Maj. Gen. Erich Krause
 * 34th Reserve Infantry – Colonel Hein
 * 49th Reserve Infantry – Lt. Col. Freiherr von Eberstein


 * 3rd Reserve Field Artillery Maj. Erhardt


 * 5th Reserve Dragoons – Maj. von Götz


 * 1st Reserve Uhlans – Maj. Berner

36th Reserve Division – Maj. Gen. Kurt Kruge


 * 69th Reserve Infantry Brigade – Maj. Gen. Otto von Homeyer
 * 21st Reserve Infantry – Lt. Col. Heyn
 * 61st Reserve Infantry – Colonel Immanuel
 * 2nd Reserve Jager Battalion – Cpt. Brückner


 * 70th Reserve Infantry Brigade – Maj. Gen. Detlev Vett
 * 5th Reserve Infantry – Lt. Col. Graf zu Reventlow
 * 54th Infantry (detached from the 3rd Division at the outbreak of war) – Colonel von Tippelskirch


 * 36th Reserve Field Artillery – Lt. Col. Lannert


 * 1st Reserve Hussars – Maj. von Borcke

Höheres Landwehr Kommando No. 1 / 1st Landwehr Division – Lt. Gen. Georg Freiherr von der Goltz


 * 33rd Mixed Landwehr Brigade – Maj. Gen. Viktor von Oertzen
 * 75th Landwehr Infantry – Lt. Col. von Stwolinski
 * 76th Landwehr Infantry – Lt. Col. Billig


 * 34th Mixed Landwehr Brigade – Lt. Gen. Ernst von Pressentin
 * 31st Landwehr Infantry – Lt. Col. von Lilienhoff-Zwowitzki
 * 84th Landwehr Infantry – Colonel Becker


 * Landwehr Cavalry Regiment – Cpt. von Sydow

1st Cavalry Division – Lt. Gen. Hermann Brecht


 * 1st Cavalry Brigade – Colonel Wedig von Glasenapp
 * 3rd (East Prussian) Cuirassiers "Count Wrangel" – Lt. Col. von Lewinski
 * 1st (Lithuanian) Dragoons "Prince Albrecht of Prussia" – Lt. Col. Graf von Kanitz


 * 2nd Cavalry Brigade – Maj. Gen. Robert Freiherr von Kapherr
 * 12th (Lithuanian) Uhlans – Colonel von Below
 * 9th Jäger zu Pferde – Lt. Col. von Koppelow


 * 41st Cavalry Brigade – Maj. Gen. Heinrich von Hofmann
 * 5th (West Prussian) Cuirassiers "Duke Frederick Eugene of Württemberg" – Lt. Col. von Rex
 * 4th (1st Pomeranian) Uhlans "von Schmidt" – Maj. Charisius

Other units in the field
 * Königsbergs Reserve – Lt. Gen. Günther von Pappritz
 * Königsberg Fortress Division – Lt. Gen. Georg Ludwig Franz Brodrück
 * Thorn Fortress Division – Lt. Gen. Max Philipp von Schmettau
 * Graudenz Fortress Division – Maj. Gen. Fritz von Unger
 * Lötzen Fortress Brigade – Colonel Busse
 * 6th Landwehr Brigade – Maj. Gen. Adolf Karl Krahmer
 * 70th Landwehr Brigade – Maj. Gen. Adolf Breithaupt

Reinforcements
 * Posen Fortress Division
 * 1st Landwehr Division
 * 2nd Landwehr Brigade – Colonel Arthur Freiherr von Lupin

From the Western Front
 * XI Army Corps
 * 22nd Division
 * 38th Division
 * Guards Reserve Corps
 * 3rd Guards Infantry Division
 * 1st Guards Reserve Division