The was an

army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

of the

Imperial Japanese Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor ...

. It was raised and demobilized on three occasions.

History

The Japanese 1st Army was initially raised during the

First Sino-Japanese War The First Sino-Japanese War (25 July 1894 – 17 April 1895) was a conflict between China and Japan primarily over influence in Korea. After more than six months of unbroken successes by Japanese land and naval forces and the loss of the p ...

from 1 September 1894 – 28 May 1895 under the command of General

Yamagata Aritomo '' Gensui'' Prince , also known as Prince Yamagata Kyōsuke, was a senior-ranking Japanese military commander, twice-elected Prime Minister of Japan, and a leading member of the '' genrō'', an élite group of senior statesmen who dominated J ...

. It participated in all of the major battles of that conflict, and was demobilized at the successful end of that war. It was revived for the

Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...

from 2 February 1904 – 9 December 1905 under the command of General Kuroki Tamemoto. Its forces were the first to land in

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republi ...

and

Manchuria Manchuria is an exonym (derived from the endo demonym "Manchu") for a historical and geographic region in Northeast Asia encompassing the entirety of present-day Northeast China (Inner Manchuria) and parts of the Russian Far East ( Outer ...

and it fought in most of the major campaigns of the war, including the Battle of Yalu River,

Battle of Motien Pass The Battle of Motien Pass was a minor land battle of the Russo-Japanese War, fought between the Imperial Japanese Army under General Kuroki Tamemoto and the Imperial Russian Army under General Count Fedor Keller over control of a strategic moun ...

Battle of Liaoyang The (russian: Сражение при Ляояне) was the first major land battle of the Russo-Japanese War, on the outskirts of the city of Liaoyang in present-day Liaoning Province, China. The city was of great strategic importance as the ...

Battle of Shaho The Battle of Shaho ( ja, 沙河会戦 (''Saka no kaisen''), russian: Сражение на реке Шахе) was the second large-scale land battle of the Russo-Japanese War fought along a front centered at the Shaho River along the Mukden– P ...

Battle of Sandepu The Battle of Sandepu (also known as the Battle of Heikoutai) ( ja, 黒溝台会戦 (''Kokkōdai no kaisen''), russian: Сражение при Сандепу) was a major land battle of the Russo-Japanese War. It was fought within a group of vi ...

, and

Battle of Mukden The , one of the largest land battles to be fought before World War I and the last and the most decisive major land battle of the Russo-Japanese War, was fought from 20 February to 10 March 1905 between Japan and Russia near Mukden i ...

. It was again demobilized at the end of that conflict. The Japanese 1st Army was raised again on 26 August 1937 in

Tianjin Tianjin (; ; Mandarin: ), alternately romanized as Tientsin (), is a municipality and a coastal metropolis in Northern China on the shore of the Bohai Sea. It is one of the nine national central cities in Mainland China, with a total popu ...

, China under the Japanese China Garrison Army. In addition to protecting the Japanese settlement at Tianjin, it served as a reinforcement to the newly formed

Japanese Northern China Area Army The was an area army of the Imperial Japanese Army during the Second Sino-Japanese War. History The Japanese North China Area Army was formed on August 21, 1937 under the control of the Imperial General Headquarters. It was transferred to th ...

following the

Marco Polo Bridge Incident The Marco Polo Bridge Incident, also known as the Lugou Bridge Incident () or the July 7 Incident (), was a July 1937 battle between China's National Revolutionary Army and the Imperial Japanese Army. Since the Japanese invasion of Manchuri ...

during the

Second Sino-Japanese War The Second Sino-Japanese War (1937–1945) or War of Resistance (Chinese term) was a military conflict that was primarily waged between the Republic of China and the Empire of Japan. The war made up the Chinese theater of the wider Pacific Thea ...

. The 1st Army subsequently participated in various campaigns in

North China North China, or Huabei () is a geographical region of China, consisting of the provinces of Beijing, Tianjin, Hebei, Shanxi and Inner Mongolia. Part of the larger region of Northern China (''Beifang''), it lies north of the Qinling–Huai ...

under the operational command of the

, including the North China Incident, Beiping–Hankou Railway Operation, and the Battle of Taiyuan before being demobilized at

Taiyuan Taiyuan (; ; ; Mandarin pronunciation: ; also known as (), ()) is the capital and largest city of Shanxi Province, People's Republic of China. Taiyuan is the political, economic, cultural and international exchange center of Shanxi Province ...

Shanxi Shanxi (; ; formerly romanised as Shansi) is a landlocked province of the People's Republic of China and is part of the North China region. The capital and largest city of the province is Taiyuan, while its next most populated prefecture-lev ...

province after the end of World War II on 30 September 1945.

List of Commanders

Commanding officer

Chief of Staff

References

* * *

External links

Notes

{{Reflist, 2 01 01 01 1894 establishments in Japan 1945 disestablishments in China