Below is the order of battle for the Battle of Beiping-Tianjin, called the Peiking-Tientsin Operation in pinyin spelling, a series of battles fought from 25 July through 31 July 1937 as part of the Second Sino-Japanese War. It was called the North China Incident (北支事変, Hokushi jihen) by the Japanese.

Empire of Japan

Ground Japanese China Garrison ArmyThe Japanese China Garrison Army became Japanese First Army on 26 August 1937 Lieut. General Kanichiro Tashiro (1 May 1936 – 12 July 1937)Death from heart disease Lieut. General Kiyoshi Katsuki (12 July 1937 – 26 August 1937) China Garrison Infantry "Kawabe" Brigade Major General Masakazu Kawabe 1st China Garrison Infantry Regiment 2nd China Garrison Infantry Regiment China Garrison Cavalry Unit China Garrison Artillery Regiment China Garrison Engineer Unit China Garrison Armored Unit (17 tanks?) China Garrison Signal Unit China Garrison Army Hospital

5th Division General Seishirō Itagaki 9th Infantry Brigade 11th Infantry Regiment 41st Infantry Regiment 21st Infantry Brigade 21st Infantry Regiment 42nd Infantry Regiment 5th Mountain Artillery Regiment 5th Cavalry Regiment 5th Engineer Regiment 5th Transport Regiment 20th Division Lieutenant General Bunsaburo Kawakishi 39th Infantry Brigade 77th Infantry Regiment 78th Infantry Regiment 40th Infantry Brigade 79th Infantry Regiment 80th Infantry Regiment 26th Field Artillery Regiment 28th Cavalry Regiment 20th Engineer Regiment 20th Transport Regiment

1st Independent Mixed "Sakai" Brigade Lieutenant General Sakai KojiTaki's IMPERIAL JAPANESE ARMY PAGE - on temporary assignment from the Kwantung Army; The 3rd Tank Battalion equipped with Type 94 Tankettes and Type 95 Light Tanks that was to have been assigned to Sakai Brigade remained behind in Manchukuo. 4th Tank Battalion 12 Type 89 Medium Tanks 13 Type 95 Light Tanks 12 Type 94 tankettes 4 Armored Engineer Vehicles 1st Independent Infantry Regiment 1st Independent Artillery Battalion 1st Independent Engineer Company 11th Independent Mixed "Suzuki" Brigade Lieutenant General Shigiyasu Suzukion temporary assignment from the Kwantung Army; the Suzuki Brigade later became IJA 26th Division. 11th Independent Infantry Regiment 12th Independent Infantry Regiment 11th Independent Cavalry Company 11th Independent Field Artillery Regiment 12th Independent Mountain Gun Regiment 11th Independent Engineer Company 11th Independent Transport Company East Hebei ArmyJowett, Phillip S., Rays of The Rising Sun, Armed Forces of Japan's Asian Allies 1931-45, Volume I: China & Manchuria 1st Corps (Tungchow) 4,000 men 2nd Corps (Tsunhua) 4,000 men 3rd Corps (Tungchow) 4,000 men 4th Corps (Tsunhua) 4,000 men Training Corps (Tungchow) 2,000 men

Air Temporary China Area Aviation Division (Chugoku-Homen Rinji Hikoshidan) General Yoshitoshi TokugawaSino-Japanese Air War 1937-45 1st Army Air Battalion (reconnaissance) Ki-3, Ki-4 2nd Army Air Battalion (fighter aircraft) Ki-10 3rd Army Air Battalion (long range reconnaissance) 5th Army Air Battalion (light bomber) Ki-2 6th Army Air Battalion (heavy bomber) Ki-2 8th Army Air Battalion (fighter) Ki-10 9th Army Air Battalion (heavy bomber) Ki-1 3rd Independent Air Company (heavy bomber)Ki-1 4th independent squadron (reconnaissance) 6th independent squadron (reconnaissance) 9th independent squadron (fighter) Ki-10 1st, 2nd Airfield companies 8th, 9th Signal platoons 1st Truck Transport company 3rd Field aircraft depot

Naval 2nd Fleet Monograph 144 Chapter II Normally, the IJN 3rd Fleet was assigned for over-all operations in China. The IJN 2nd Fleet was assigned to escort army transports and was involved in landings of IJA 5th Division at Tanggu. With the dispatch of troops to the Qingdao area, the IJN 2nd Fleet assumed responsibility for operations in northern China waters, while the IJN 3rd Fleet operated in central and south China waters. Admiral Zengo Yoshida

Republic of China 29th Army Hsu Long-hsuen and Chang Ming-kai, History of The Sino-Japanese War (1937-1945) Pg. 175-180Song was allowed by the Kuomintang government to maintain only one army in the area he controlled. So what he did is to make his army very huge. Each division had 3 brigades plus many independent units. This way Song was able to both increase and conceal his strength. Commander: Song Zheyuan Deputy: Tong Linge

37th Division of Hopei (15,750 men) Lt. Gen. Feng Chian Special Operations Regiment (特務團), a HQ reserve regiment 109th Brigade 110th Brigade 111th Brigade Independent 35th Brigade 38th Division of Shansi (15,400 men) General Zhang Zizhong Special Operations Regiment 112th Brigade 113th Brigade 114th Brigade Independent 26th Brigade 132nd Division of Shansi (15,000 men) General Zhao Dengyu Special Operations Regiment 1st Brigade 2nd Brigade Independent 27th Brigade Independent 28th Brigade

143rd Division of Hopei (in Chahar) (15,100 men) General Liu Ruming Special Operations Regiment 1st Brigade 2nd Brigade Independent 29th Brigade Independent 31st Brigade Security Brigade 9th Cavalry Division of Northwest Army (3,000 men) 1st Brigade 2nd Brigade Independent 13th Cavalry Brigade (1,500 men) Hebei Peace Preservation Force (Peiwan, 2,500 men) Independent 39th Brigade (3,500 men) Independent 40th Brigade (3,400 men)

53rd Army General Wan Fulin1 Brigade of 53rd Army took part in the attack on Fengtai

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