Robert Freiherr von Kapherrġ2th (Lithuanian) Uhlans – Colonel von Below 9th Jäger zu Pferde – Lt. Graf von Kanitz 2nd Cavalry Brigade – Maj.
von Lewinski 1st (Lithuanian) Dragoons "Prince Albrecht of Prussia" – Lt. Hermann Brechtġst Cavalry Brigade – Colonel Wedig von Glasenappģrd (East Prussian) Cuirassiers "Count Wrangel" – Lt. von Lilienhoff-Zwowitzki 84th Landwehr Infantry – Colonel Becker Landwehr Cavalry Regiment – Cpt. Ernst von Pressentinģ1st Landwehr Infantry – Lt. von Stwolinski 76th Landwehr Infantry – Lt. Viktor von Oertzenħ5th Landwehr Infantry – Lt. Georg Freiherr von der Goltzģ3rd Mixed Landwehr Brigade – Maj. Graf zu Reventlow 54th Infantry (detached from the 3rd Division at the outbreak of war) – Colonel von Tippelskirch 36th Reserve Field Artillery – Lt. Brückner 70th Reserve Infantry Brigade – Maj. Heyn 61st Reserve Infantry – Colonel Immanuel 2nd Reserve Jager Battalion – Cpt. Otto von HomeyerĢ1st Reserve Infantry – Lt. Kurt KrugeĦ9th Reserve Infantry Brigade – Maj. Freiherr von Eberstein 3rd Reserve Field Artillery Maj. Erich Krauseģ4th Reserve Infantry – Colonel Hein 49th Reserve Infantry – Lt. Wobring 6th Reserve Infantry Brigade – Maj. Curt von Morgen 5th Reserve Infantry Brigade – Maj. Modrow 1st Reserve Jager Battalion – Cpt. Freiherr von Lützow 59th Reserve Infantry – Lt. Maximilian Gustav Lichtġ8th Reserve Infantry – Lt. von Steuber 72nd Reserve Infantry Brigade – Maj. von Sommerfeld und Falkenhayn 3rd Reserve Infantry – Lt. Sigismund von Försterġst Reserve Infantry Brigade – Ma. Wilhelm Johann Neugebauerģ5th Field Artillery – Lt. Rudolf Reiserġ48th Infantry – Colonel von der Osten 152nd Infantry – Colonel Geisler 41st Field Artillery Brigade – Maj. Georg Schaerġ8th Infantry – Colonel Mecke 59th Infantry – Colonel Sonntag 74th Infantry Brigade – Maj. Wilhelm Buchholzħ3rd Field Artillery – Colonel Forst 82nd Field Artillery – Lt. Alfred von Böckmannġ46th Infantry – Colonel von Heydebreck 150th Infantry – Colonel Küster 37th Field Artillery Brigade – Maj. Carl Wilhelmiġ47th Infantry – Colonel Ritzsch 151st Infantry – Colonel Dorsch 1st Jager Battalion – Maj. Hermann von Staabs 73rd Infantry Brigade – Maj. XX Army Corps – General Friedrich von Scholtzģ7th Infantry Division – Lt. Waldeyer 72nd Field Artillery – Colonel von Rabenau 5th Hussars – Colonel Freiherr von Barnekow Viktor Hahndorffģ6th Field Artillery – Maj.
Schleenstein 71st Infantry Brigade – Colonel Lutz von Dewitzĥth Grenadiers – Colonel Freiherr von Eichendorff 128th Infantry – Colonel von Tresckow 36th Field Artillery Brigade – Maj. George von Engelbrechtenġ29th Infantry – Colonel Breßler 175th Infantry – Lt. Konstanz von HeinecciusĦ9th Infantry Brigade – Maj. Freiherr von Lönģ6th Infantry Division – Lt. Runge 35th Field Artillery Brigade – Maj. Heinrich Schmidt von KnobelsdorffĢ1st Infantry – Colonel Brunnemann 61st Infantry – Maj. XVII Army Corps – General August von Mackensenģ5th Infantry Division – Lt. German 8th Army at the Battle of Tannenberg 26–31 August 1914
Theodor MengelbierĤth Grenadiers – Colonel Stern 44th Infantry – Colonel von Löper 4th Infantry Brigade – Maj. Adalbert von Falkģrd Infantry Brigade – Maj. Freiherr Schäffer von BernsteinĢnd Infantry Division – Lt. Kurt Moewesġ6th Field Artillery – Colonel Bromeis 52nd Field Artillery – Colonel Hellwig 8th Uhlans – Lt. Conrado Paschenģrd Grenadiers – Colonel von Wedel 43rd Infantry – Colonel von Eisenhart-Rothe 1st Field Artillery Brigade – Maj. Eggerss 41st Infantry – Colonel Schönfeld 2nd Infantry Brigade – Maj. Richard von Conta 1st Infantry Brigade – Maj. Walter Schmidt von Schmidtseck, Chief of Staffġst Infantry Division – Lt. I Army Corps – General Hermann von FrançoisĬol. LjudomirowĬolonel General Maximilian von Prittwitz, Commander, replaced on August 23Ĭolonel General Paul von Hindenburg, Commander Guard Regiment Kexholm – Colonel Sireliusġ5th Cavalry Division – Lt.XXIII Corps – General Kyprian Kandratovich I Corps – General Artamanov, relieved on August 28 Organization of the Imperial Russian Army at the Battle of Tannenberg Second Army Georgy Ottonovich Rauchġst Cavalry Division– Lt. Guard Cuirassier Regiment of Empress MarieĢnd Guard Cavalry Division – Lt.Guard Cuirassier Regiment of the Emperor.XX Corps – General Vladimir Vasilyevich Smirnovġst Guard Cavalry Division – Lt. II Corps (transferred from the Second Army, 22 August) – General Sergei Scheidemann Sir Alfred Knox, British Military Attache (attached to 2nd Army) General Yakov Zhilinsky, Front Commander (not present)